AS NZS 2293 3 1995 emergency evacuation lighting for buildin

Title

AS/NZS 2293.3:1995 Emergency evacuation lighting for buildings - Emergency
luminaires and exit signs

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AS/NZS 2293.3:1995

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Australian/New Zealand Standard
Emergency evacuation lighting
for buildings
Part 3: Emergency luminaires
and exit signs


AS/NZS 2293.3:1995
This Joint Australian/New Zealand Standard was prepared by Joint Technical

Committee LG/7, Emergency Lighting in Buildings. It was approved on behalf of
the Council of Standards Australia on 31 May 1995 and on behalf of the Council of
Standards New Zealand on 29 May 1995. It was published on 5 September 1995.

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The following interests are represented on Committee LG/7:
Administrative Services Department, Queensland
Association of Consulting Engineers Australia
Australian Building Codes Board
Australian Construction Services — Department of Administrative Services
Australian Electrical and Electronic Manufacturers Association
Australian Institute of Building Surveyors
Building Industry Authority, New Zealand
Building Management Authority of Western Australia
Building Owners and Managers Association of Australia
Department of Housing and Urban Development, South Australia
Department of Planning and Development, Victoria
Electricity Supply Association of Australia
Illuminating Engineering Society of Australia and New Zealand
National Electrical Contractors Association of Australia
New South Wales Fire Brigades
New South Wales Public Works
New Zealand Electrical Regulatory Authorities
New Zealand Manufacturers Federation
WorkCover Authority of New South Wales

Review of Standards. To keep abreast of progress in industry, Joint Australian/
New Zealand Standards are subject to periodic review and are kept up to date by the
issue of amendments or new editions as necessary. It is important therefore that

Standards users ensure that they are in possession of the latest edition, and any
amendments thereto.
Full details of all Joint Standards and related publications will be found in the Standards
Australia and Standards New Zealand Catalogue of Publications; this information is
supplemented each month by the magazines ‘The Australian Standard’ and ‘Standards
New Zealand’, which subscribing members receive, and which give details of new
publications, new editions and amendments, and of withdrawn Standards.
Suggestions for improvements to Joint Standards, addressed to the head office of either
Standards Australia or Standards New Zealand, are welcomed. Notification of any
inaccuracy or ambiguity found in a Joint Australian/New Zealand Standard should be
made without delay in order that the matter may be investigated and appropriate action
taken.

This Standard was issued in draft form for comment as DR 92202.


AS/NZS 2293.3:1995

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Australian/New Zealand Standard
Emergency evacuation lighting
for buildings
Part 3: Emergency luminaires
and exit signs

PUBLISHED JOINTLY BY:
STANDARDS AUSTRALIA
1 The Crescent,
Homebush NSW 2140 Australia

STANDARDS NEW ZEALAND
Level 10, Radio New Zealand House,
155 The Terrace,
Wellington 6001 New Zealand
ISBN 0 7262 9883 2


AS / NZS 2293.3:1995

2

PREFACE
This Standard was prepared by the Joint Standards Australia/Standards New Zealand
Committee LG/7, Emergency Lighting in Buildings, to supersede, in part,
AS 2293.1—1987* and, in part, NZS 6742:1971†.
This Standard sets out requirements for emergency luminaires and exit signs that form
part of an emergency evacuation lighting system for a building. The objective of these
requirements is to ensure the safe and effective functioning of the emergency luminaires
and exit signs under operational and environmental conditions representative of those
which can reasonably be expected to apply in service.
Arising from a review of the 1987 edition of AS 2293.1, opportunity has been taken to
collect together the requirements for emergency luminaires and exit signs to form a
separate part (Part 3) of the AS/NZS 2293 series, leaving AS/NZS 2293.1‡ to cover
requirements for the overall system design, installation and operation.

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The requirements in this Standard are essentially the same as those which existed in
AS 2293.1—1987*. Changes of significance that have been made include the following:
(a)

Revision of the form of specifying the colours of exit signs (see Clause 3.6).

(b)

Revision of the requirements for the provision of a test switch, for self-contained
emergency luminaires and exit signs (see Clause 4.3.2).

(c)

Addition of a requirement for battery circuits to be protected from excessive
discharge currents in the event of fault conditions (see Clause 4.4.4).

(d)

Alteration of the requirements for battery chargers, including a new test to assess
performance under short circuit condititions (see Clause 4.5 and Paragraph D4,
Appendix D).

(e)

The inclusion of requirements for self-contained emergency luminaires and exit
signs with automatic discharge testing facilities (see Clause 4.8 and Paragraph D3
of Appendix D).

(f)

Modification of the photometric testing conditions and the associated requirements
for establishing luminaire classifications (see Paragraphs C2.1 and C3 of
Appendix C).

Different requirements apply in Australia and in New Zealand with respect to the form
and dimensions of exit signs (see Clause 3.4). The differences arise from differing
regulatory practices in the respective countries. It is anticipated that these differences will
be reconciled in the near future by adoption of exit signs of the pictogram type (i.e.
symbolic outline of a person moving towards an open door), when requirements for
internally illuminated forms of these signs are agreed internationally.
With reference to requirements for radio interference suppression (see Clause 1.5),
compliance with AS/NZS 4051§ is already mandatory in New Zealand under regulations
issued by the Ministry of Commerce. In Australia, the Spectrum Management Agency has
declared that compliance with AS/NZS 4051 will be required under Commonwealth
legislation from 1 January 1996.

* AS 2293.1 — 1987 Emergency evacuation lighting in buildings
Part 1: Design and installation
† NZS 6742:1971 Code of practice for emergency lighting in buildings
‡ AS/NZS 2293.1:1995 Emergency evacuation lighting for buildings
Part 1: System design, installation and operation
§ AS/NZS 4051:1992

Limits and methods of measurement of radio interference characteristics of
fluorescent lamps and luminaires.


3

AS / NZS 2293.3:1995

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The terms ‘normative’ and ‘informative’ have been used in this Standard to define the
application of the appendix to which they apply. A ‘normative’ appendix is an integral
part of a Standard, whereas an ‘informative’ appendix is only for information and
guidance.

Originated in Australia as part of AS 2293.1 — 1979.
Previous edition 1987.
Originated in New Zealand as part of NZS 6742:1971.
AS 2293.1 — 1987 and NZS 6742:1971 jointly revised
in part and redesignated AS/NZS 2293.3:1995.
Incorporating:
Amdt 1—1998

© Copyright STANDARDS AUSTRALIA / STANDARDS NEW ZEALAND
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Inclusion of copyright material in computer software programs is also permitted without royalty payment provided such programs
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Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever the Standard
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The use of material in print form or in computer software programs to be used commercially, with or without payment, or in commercial
contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia or Standards New Zealand at any time.

AS / NZS 2293.3:1995

4

CONTENTS

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SECTION 1 SCOPE AND GENERAL
1.1 SCOPE . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 APPLICATION . . . . . . . . . . . . . . . . . . .
1.3 REFERENCED DOCUMENTS . . . . . . . .
1.4 DEFINITIONS . . . . . . . . . . . . . . . . . . . .
1.5 RADIO INTERFERENCE SUPPRESSION

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SECTION 2 GENERAL REQUIREMENTS FOR EMERGENCY
2.1 COMPLIANCE WITH AS 3137 . . . . . . . . . . . . . . . .
2.2 LUMINAIRE CLASSIFICATION . . . . . . . . . . . . . . .
2.3 ILLUMINATION AT SWITCH ON . . . . . . . . . . . . . .
2.4 IDENTIFICATION SYMBOL . . . . . . . . . . . . . . . . . .
2.5 MARKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LUMINAIRES
...........
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...........
...........
...........

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SECTION 3 GENERAL REQUIREMENTS
3.1 GENERAL . . . . . . . . . . . . . . . .
3.2 COMPLIANCE WITH AS 3137 .
3.3 GENERAL PRESENTATION . . .
3.4 FORM AND DIMENSIONS . . . .
3.5 ILLUMINATION . . . . . . . . . . . .

3.6 COLOUR . . . . . . . . . . . . . . . . .
3.7 MARKING . . . . . . . . . . . . . . . .

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. 9
. 9
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. 11
. 11

SECTION 4 PARTICULAR REQUIREMENTS FOR SELF-CONTAINED
EMERGENCY LUMINAIRES AND EXIT SIGNS
4.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 SUITABILITY FOR OPERATING TEMPERATURES . . . . . . . . . . . . . .
4.3 ARRANGEMENT AND CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 BATTERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5 BATTERY CHARGERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6 CONTROL EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.7 ELECTRICAL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.8 SELF-CONTAINED AUTOMATIC DISCHARGE TESTING FACILITIES
4.9 MARKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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FOR EXIT SIGNS
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APPENDICES
A ESSENTIAL DATA AND PREFERRED FORMAT FOR TEST REPORTS

FOR EMERGENCY LUMINAIRES AND EXIT SIGNS . . . . . . . . . . . . . . .
B SAMPLE DECLARATION OF COMPLIANCE FOR EMERGENCY
LUMINAIRES AND EXIT SIGNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C CLASSIFICATION OF EMERGENCY LUMINAIRES . . . . . . . . . . . . . . . .
D TYPE TESTING OF SELF-CONTAINED EMERGENCY LUMINAIRES AND
EXIT SIGNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13
13
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15
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17

18
24
26
31


5

AS / NZS 2293.3:1995

STANDARDS AUSTRALIA / STANDARDS NEW ZEALAND
Australian / New Zealand Standard
Emergency evacuation lighting for buildings

Part 3: Emergency luminaires and exit signs
S E C T I O N

1

S C O P E

A N D

G E N E R A L

1.1 SCOPE This Standard specifies requirements for the design, construction,
performance and testing of emergency luminaires and exit signs. It applies both to
emergency luminaires and exit signs which are centrally supplied, and to emergency
luminaires and exit signs of the self-contained type.

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Different requirements are specified for application in Australia and New Zealand with
respect to exit signs (see Section 3).
NOTES:
1 Requirements for the installation and operation of emergency luminaires and exit signs are
specified in AS/NZS 2293.1. Requirements for the periodic inspection and maintenance of
emergency luminaires and exit signs are set out in AS/NZS 2293.2.
2 Appendix A lists the essential data and preferred format of test reports for emergency
luminaires and exit signs. Such information may be required (e.g. by purchasers or
inspecting authorities) to substantiate compliance with the requirements of this Standard.
3 A sample declaration of the compliance of emergency luminaires and exit signs with this
Standard is given in Appendix B.

1.2 APPLICATION The requirements of this Standard apply to emergency luminaires
and exit signs as follows:
(a)

Centrally-supplied emergency luminaires—Section 2.

(b)

Centrally-supplied exit signs—Section 3.

(c)

Self-contained emergency luminaires—Sections 2 and 4.

(d)

Self-contained exit signs—Sections 3 and 4.

Where an exit sign is also designed to serve as an emergency luminaire, the applicable
combination of the above requirements shall apply.
1.3 REFERENCED DOCUMENTS
Standard:

The following documents are referred to in this

AS
1102
Graphical symbols for electrotechnology
1102.8 Part 8: Symbols for location diagrams
1319

Safety signs for the occupational environment

1680
Interior lighting
1680.3 Part 3: Measurement, calculation and presentation of photometric data
2633

Guide to the specification of colours

2752

Preferred numbers and their use

3100

Approval and test specification — General requirements for electrical equipment

3137

Approval and test specification — Luminaires (lighting fittings)
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AS / NZS 2293.3:1995

6

AS/NZS
2293

Emergency evacuation lighting for buildings
2293.1 Part 1: System design, installation and operation
2293.2 Part 2: Inspection and maintenance
4051
IEC
285
896

Limits and methods of measurement of radio disturbance characteristics of
electrical lighting and similar equipment
Alkaline secondary cells and batteries — Sealed nickel-cadmium cylindrical
rechargeable single cells
Stationary lead-acid batteries — General requirements and methods of test

1056
Portable lead-acid cells and batteries (valve-regulated types)
1056-1 Part 1: General requirements, functional characteristics — Methods of test
ISO
3864

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CIE*
107

Safety colours and safety signs
Review of the official recommendations of the CIE for the colours of signal
lights.

1.4 DEFINITIONS For the purpose of this Standard, the definitions given in

AS/NZS 2293.1 apply.
1.5 RADIO INTERFERENCE SUPPRESSION† Emergency luminaires and exit
signs shall be provided with radio interference suppression as necessary to ensure
compliance with AS/NZS 4051.

* International Commission on Illumination, Vienna.
† For application in New Zealand, this Clause forms part of the Standard as at the date of publication. For
application in Australia, this Clause forms part of the Standard on 1 January 1996.
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7

S E C T I O N

2
G E N E R A L R E Q U I R E M E N T S
E M E R G E N C Y L U M I N A I R E S

AS / NZS 2293.3:1995

F O R

2.1 COMPLIANCE WITH AS 3137 Emergency luminaires shall comply with the
requirements of AS 3137 unless otherwise specified in this Standard.
NOTE: For self-contained emergency luminaires, see also the requirements of Clause 4.7.

2.2 LUMINAIRE CLASSIFICATION Emergency luminaires shall be classified in
accordance with Appendix C and shall be appropriately marked.

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NOTE: The regulatory authority may require evidence to be supplied in support of the
classification marked on the luminaire, e.g. a test report from an appropriately accredited
laboratory.

2.3 ILLUMINATION AT SWITCH ON
2.3.1 Maximum delay Emergency luminaires shall provide a light output of at least—
(a) 10% of the reference value within 1 s of loss of the normal supply; and
(b) 80% of the reference value within 15 s of loss of the normal supply.
The reference value shall be taken as the luminous intensity assigned in terms of the
classification procedure of Paragraph C3.2 of Appendix C.
The requirements of Items (a) and (b) shall apply both when the emergency luminaires are
initially switched on (i.e. cold start) and when the emergency luminaires are switched on
immediately after operation for a period of 15 min (i.e. hot start).
NOTE: The provision of a light output of at least 10% of the reference value within 1 s of
energization is specified to minimize the possibility of panic occurring among the occupants of
the building.

2.3.2 Conditions for assessing compliance with Clause 2.3.1 For the purpose of
assessing compliance with the requirements of Clause 2.3.1, the following conditions shall
apply:
(a) Before the emergency luminaires are operated they shall be conditioned by
connection to the normal supply in an ambient atmosphere at 25 ±2°C for a period
of at least 1 h.
(b) Centrally-supplied emergency luminaires shall be operated at their rated voltage or,
where marked for operation within a range of voltages, the lowest marked voltage.
(c) Self-contained emergency luminaires shall utilize their in-built battery supply but
the battery shall be in the fully charged state at the commencement of each
assessment.

For the assessment of light output required following a 15 min period of operation, the
battery shall be in the fully charged state at the commencement of that period of
operation. Loss of supply shall be simulated immediately afterwards for assessment of
compliance with the light output criteria.
2.4 IDENTIFICATION SYMBOL The identification symbol illustrated in Figure 2.1
shall be displayed on each emergency luminaire in a position where it will be visible
when installed. It shall not be fixed to the diffuser or other optical control media.
The symbol shall be at least 10 mm in diameter, black on a white background, as shown
in Figure 2.1.
Notwithstanding the above, the symbol need not be displayed on the luminaire if this is
impractical because of the nature of the luminaire or its construction, e.g. certain forms of
recessed luminaire for use in suspended ceilings where no element of the luminaire body
is displayed on the underside of the ceiling surface.
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AS / NZS 2293.3:1995

8

NOTE: The symbol is that recommended for emergency luminaires in AS 1102.8.

FIGURE 2.1

IDENTIFICATION SYMBOL FOR EMERGENCY LUMINAIRES

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2.5 MARKING In addition to the information required by AS 3137, each emergency
luminaire shall be legibly and durably marked with the following information, as

applicable:
(a)

Luminaire classification(s) determined in accordance with Appendix C.

(b)

Marking to identify the orientation of the C 0 plane through the luminaire (see
Appendix C) where the luminaire has a different classification in the C0 and C90
planes.

(c)

The identification symbol specified in Clause 2.4.

(d)

Information necessary to ensure correct lamp replacement.

(e)

Warning notice regarding isolation of the electrical supply or supplies, if necessary,
to ensure the safety of persons working on the emergency luminaire or the integrity
of operation of the emergency luminaire.

The marking required by Item (b) shall be clearly visible during installation and
subsequent inspection of the completed lighting system. The C 0 plane may be designated
by the location of the identification symbol of Figure 2.1 at the appropriate position on
the surroundings of the luminaire body.

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9

S E C T I O N

3

G E N E R A L R E Q U I R E M E N T S
E X I T S I G N S

AS / NZS 2293.3:1995

F O R

3.1 GENERAL This Section refers to two basic types of exit sign, namely, internallyilluminated and externally-illuminated. Requirements relating to the use of these exit signs
are set out in Section 5 of AS/NZS 2293.1
3.2 COMPLIANCE WITH AS 3137 Exit signs shall comply with the requirements of
AS 3137 unless otherwise specified in this Standard.
NOTE: For self-contained exit signs, see also the requirements of Clause 4.7.

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3.3 GENERAL PRESENTATION
3.3.1 In Australia Exit signs shall only bear the legend ‘EXIT’ together with
directional arrows, where required. Where used, directional arrows shall be positioned in
such a way that—
(a) the projection of the arrow will not intersect any part of the legend; and
(b) a clearance of at least 25 mm is provided between the arrow and the legend.

NOTE: The adoption of exit signs of the pictogram form, without the legend ‘EXIT’, is under
consideration (see Preface).

3.3.2 In New Zealand The general presentation of exit signs shall comply with
Approved Document F8 of the New Zealand Building Code.
3.4 FORM AND DIMENSIONS
3.4.1 In Australia
3.4.1.1 Internally-illuminated exit signs Internally-illuminated exit signs shall comprise
a contrasting transilluminated legend and background of the form and dimensions given in
Figure 3.1.
NOTE: Exit signs of the dimensions specified in Figure 3.1 are suitable for viewing distances of
up to 24 m. Proportionately larger signs may be required where longer viewing distances apply
(see Section 5 of AS/NZS 2293.1).

3.4.1.2 Externally-illuminated exit signs For externally-illuminated exit signs, the form
and dimensions of the lettering shall comply with either Figure 3.1 or AS 1319. However,
the letter height and background dimensions shall be not less than those specified in
Figure 3.1.
3.4.2 In New Zealand The form and dimensions of exit signs shall comply with
Approved Document F8 of the New Zealand Building Code.
3.5 ILLUMINATION
3.5.1 General Exit signs and directional arrows, where incorporated, shall be
illuminated in accordance with Clause 3.5.2 or Clause 3.5.3, as appropriate. The sign shall
present a uniform appearance when viewed from within the range of directions from
which it is required to be seen.
Exit signs shall comply with the requirements of Clause 2.3 but the reference value shall
be taken as the luminance of the sign when stable photometric conditions have been
attained.
3.5.2 Internally-illuminated exit signs Internally-illuminated exit signs shall be of a
type which complies with the following requirements:

(a) For exit signs with a white legend and green background —
(i)
the luminance of the background in the area within 25 mm of the legend
shall be not less than 8 cd/m 2;
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AS / NZS 2293.3:1995

(b)

10

(ii)

the ratio of the luminance of the legend to that of the adjacent background
shall be not less than 4:1; and

(iii)

the variation in luminance within the legend and within the background shall
be not more than 5:1.

For exit signs with a green legend and an opaque background —
(i)

the luminance of the legend shall lie within the range 2 cd/m2 to 25 cd/m2;
and

(ii)

the variation in luminance within the legend shall be not more than 5:1.

The above requirements shall apply when the exit sign is operated under the most
unfavourable conditions, i.e. immediately after being tested for compliance with the
requirements for illumination at switch on in Clause 2.3 or at the voltage which applies
after operation for the initial duration specified in Section 2 of AS/NZS 2293.1:
Luminances shall be measured within 5° from the normal to the plane containing the
legend, with a meter which provides a circular measurement field having a diameter of
between 75% and 85% of the letter stroke thickness of the legend.

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3.5.3

Externally-illuminated exit signs

NOTE: Requirements for externally-illuminated exit signs are specified in Section 5 of
AS/NZS 2293.1, not in this Standard, because the illumination of these signs is a function of
how they are installed, being dependent on the light output distribution of the luminaires used
and arrangement of the luminaires relative to the signs.

NOTES:
1

The dimensions illustrated are minima; larger signs may be required but the dimensions, including the
background, should be increased in proportion to those specified (see Section 5 of AS/NZS 2293.1).

2

The tail of the arrow is optional. The arrow position shown is illustrative only.
DIMENSIONS IN MILLIMETRES

FIGURE 3.1

FORM AND DIMENSIONS OF EXIT SIGNS (IN AUSTRALIA)
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11

AS / NZS 2293.3:1995

3.6 COLOUR
3.6.1 In Australia
3.6.1.1 General requirement Legends of exit signs and directional arrows, where
incorporated, shall be white and the background shall be green.
The green colour shall lie within the boundaries of that portion of a CIE 1931
chromaticity diagram* bounded by the spectrum locus and straight lines joining the
points specified in Table 3.1, based on the sign being illuminated by CIE standard
illuminant D65*.

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NOTES:
1 Attention is drawn to AS 1319 which specifies the colours of a variety of surface-type signs
for use in the occupational environment. The green colour specified in AS 1319 lies
substantially, though not completely, within the boundaries defined in Table 3.1.
2 The use of white lettering on a green background is in accordance with ISO 3864 for all
signs which indicate a safe condition. This colour combination has also been adopted in

AS 1319. However, it is not practicable to restrict the luminance of internally illuminated
signs having the above colour combination to the degree which might be necessary to
prevent distraction to occupants in interiors which are normally dimmed. Provision has
therefore been made in Clause 3.6.1.2 for the use of signs having a green legend on an
opaque background.

3.6.1.2 Exit signs normally viewed under dimmed lighting Notwithstanding the
requirements of Clause 3.6.1.1, where the exit sign is normally viewed under dimmed
lighting conditions the legend of the exit sign and directional arrows (if any) may be
green and the background opaque.
NOTE: Theatres, cinemas, auditoriums and lecture rooms are examples of where the use of this
form of exit sign is appropriate.

TABLE 3.1
COLOUR BOUNDARIES FOR THE GREEN
OF EXIT SIGNS (IN AUSTRALIA)†
Reference
point†
Q
R
S
T

Chromaticity co-ordinates
x

y

0.310
0.310

0.207
0.012

0.684
0.562
0.397
0.494

† The boundaries defined in Table 3.1 are illustrated in
Figure 3.2 on a CIE 1931 chromaticity diagram. The
boundaries are those recommended for a green signal
colour in CIE Publication No. 107.

3.6.2 In New Zealand The colours of exit signs shall comply with Approved
Document F8 of the New Zealand Building Code.
3.7 MARKING In addition to the information required by AS 3137, each exit sign
shall be legibly and durably marked with the following information, as applicable:
(a)

Information necessary to ensure correct lamp replacement.

(b)

Warning notice regarding isolation of the electrical supply or supplies, if necessary,
to ensure the safety of persons working on the exit sign or the integrity of operation
of the exit sign.

* See AS 2633 for further information.
COPYRIGHT

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AS / NZS 2293.3:1995

12

NOTE: The boundaries specified for the green of exit signs are those recommended for a green signal
colour in CIE Publication No. 107.

FIGURE 3.2 COLOUR BOUNDARIES FOR THE GREEN
OF EXIT SIGNS (IN AUSTRALIA)

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AS / NZS 2293.3:1995

S E C T I O N 4
PA RT I C U L A R R E Q U I R E M E N T S
F O R S E L F - C O N TA I N E D E M E R G E N C Y
L U M I N A I R E S A N D E X I T S I G N S
4.1 GENERAL Self-contained emergency luminaires and exit signs shall, in addition
to complying with the general requirements of Sections 2 or 3, as applicable, comply with
the additional requirements of this Section.
Self-contained emergency luminaires may be either specifically designed for the
application or a composite of an emergency power supply unit and a normal lighting
luminaire provided that the complete assembly satisfies the relevant requirements of this

Standard.
4.2 SUITABILITY FOR OPERATING TEMPERATURES Self-contained
emergency luminaires and exit signs shall be of a type that will operate satisfactorily
under the conditions specified in Appendix D. Where temperatures outside the range
specified in Appendix D are experienced (e.g. in cool rooms), the emergency luminaire or
exit sign shall be of a type which operates satisfactorily in accordance with Appendix D
under the specific temperature conditions that apply.

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4.3

ARRANGEMENT AND CONTROL

4.3.1 Automatic battery cut-off Means shall be provided to automatically disconnect
the battery from the load before the cell voltage falls below the minimum value
recommended by the cell manufacturer. For this requirement, the minimum voltage
recommended by the cell manufacturer shall be—
(a)

relevant to the number of cells used in the battery at the discharge rate applicable
for the emergency luminaire or exit sign; and

(b)

selected to avoid the possibility of individual cells in the battery pack going into
reverse polarity within 10 charge/discharge cycles.

The means of disconnection shall—
(i)

automatically reset upon restoration of the normal supply; and

(ii)

be arranged so that, immediately following disconnection, the drain imposed on the
battery is not greater than that recommended by the cell manufacturer for the
operating conditions, so that the battery will not be discharged to the extent that it
is incapable of recovery.

4.3.2 Test switch A switch shall be provided to permit the operation of each
emergency luminaire or exit sign to be checked by simulating a supply circuit failure. The
switch shall be—
(a)

accessible from the exterior of the emergency luminaire or exit sign and in a
convenient position for operation; and

(b)

of a type which cannot be maintained in the test position without the attendance of
the person conducting the test.

Notwithstanding the above requirements, the following exemptions shall apply:
(i)

An internal test switch may be provided for emergency luminaires or exit signs of a
type for which it is impractical to incorporate an external test switch, e.g.
vandal-resistant luminaires or recessed troffer luminaires which have separate body
elements. The internal test switch shall be located in a position which is normally

accessible during lamp replacement.

(ii)

No test switch need be provided for emergency luminaires or exit signs which are
designed for use in hazardous locations, where the possibility of sparking resulting
from operation of the switch would compromise safety features of the luminaire
design.
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AS / NZS 2293.3:1995

14

4.3.3 Battery isolation facility Any facility which is provided for the purpose of
preventing operation of the emergency luminaire or exit sign from the emergency power
source when disconnected from the normal supply shall —
(a)

only be capable of operation by the use of a key or special tool; and

(b)

be clearly marked as to its function and operating position.

NOTE: The battery isolation facility will be of advantage where the normal supply to the
building (or the supply to the normal lighting within the building) is disconnected for extended
periods, e.g. during construction or when the building is unoccupied.

4.4

BATTERIES

4.4.1 Required type Batteries shall be of the sealed rechargeable type specifically
designed for emergency or standby use. The batteries shall be fitted with self-resealing
gas vents.
Batteries which utilize sealed nickel-cadmium cells shall comply with the requirements of
IEC 285 for cells intended for permanent charge at elevated temperatures. Valve regulated
lead-acid batteries shall comply with the relevant requirements of IEC 1056-1*.

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NOTE: The ambient temperature in which the cells operate will largely determine the service
life obtained from the battery. The temperature conditions experienced will be influenced by the
following:
(a) The design of the emergency luminaire or exit sign, e.g. location of the battery relative to
internal sources of heat.
(b) The particular type of emergency luminaire or exit sign, i.e. whether maintained or nonmaintained. Batteries located within maintained emergency luminaires or exit signs will
experience more onerous thermal conditions because of the heat generated by operation of
the normal lighting lamp(s).
(c) The particular environment in which the emergency luminaire or exit sign is installed, e.g.
coolroom or industrial area with significant process heat generation.
In general, the life of sealed lead-acid batteries will be halved for every 10 °C temperature rise
in excess of 25°C.

Batteries which are designed for operation only in specified positions, e.g. vertical, may
be used provided that any restriction which this may place on the mounting of the
luminaire is clearly marked.
Where batteries are connected in series or parallel, they shall be of the same type and

ampere hour capacity for a given rate of discharge.
4.4.2 Battery capacity The capacity of the battery shall be such that the self-contained
emergency luminaires or exit signs comply with Appendix D.
Each battery shall be legibly and durably marked with the ampere-hour capacity assigned
by the battery manufacturer at a specified rate of discharge.
4.4.3 Intercell connections Connections between the cells of a battery shall be made
by a reliable means such as soldering, welding, bolting or the use of quick-connect tab
and receptacle connectors. Such connections shall either be inherently corrosion-resistant
or shall be treated to prevent corrosion.

* A Standard is in preparation for the IEC 896 series covering general requirements and tests for stationary
lead-acid batteries of the valve regulated type. When published, consideration will be given to amending this
Clause to call for compliance with the IEC Standard.
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15

AS / NZS 2293.3:1995

4.4.4 Battery circuit protection Batteries shall be protected from excessive discharge
currents that may occur during fault conditions, resulting in overheating of internal wiring
or electronic circuits, by incorporation of a safety device between the battery and its
associated electronic circuits.
4.4.5 Provision for battery replacement Batteries shall be located and secured within
emergency luminaires and exit signs in a manner which will enable their replacement to
be readily effected without dismantling or replacing other components.
Connections between batteries and other equipment in the emergency luminaire or exit
sign shall be made by easily replaceable means, such as quick-connect tab and receptacle
connectors, which provide reliable electrical connections. Such connections shall either be

inherently corrosion-resistant or shall be treated to prevent corrosion.
4.5 BATTERY CHARGERS The design of the battery charger shall be such that,
when connected to a battery at zero potential, it will either —
(a)

continue to function; or

(b)

fail in a safe manner.

Compliance with the above shall be assessed by the test of Paragraph D4, Appendix D.

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The rating of the battery charger shall be such that—
(i)

after the battery has been discharged from the fully-charged state by operating the
emergency luminaire or exit sign for the initial duration of operation specified in
Section 2 of AS/NZS 2293.1; and

(ii)

after recharging for a period of not more than 16 h;

the battery shall have recovered to the extent that it is capable of sustaining an additional
discharge as specified in Item (i). The output voltage at the end of each discharge period
shall be not less than that recommended by the battery manufacturer.
NOTE: For certain premises (e.g. theatres) the inspecting authority may require a shorter

recovery period than 16 h or otherwise impose restrictions on re-occupation of the premises
after operation of the emergency lighting.

The battery charger shall recharge and maintain the battery automatically while the normal
supply to the emergency luminaire or exit sign is available. The system shall be arranged
so that the battery will not receive a charge in excess of the limits recommended by the
battery manufacturer under any condition of operation.
Visual indication of battery charger operation shall be provided. The indicator shall be—
(A)

red in colour;

(B)

connected to the output side of the battery charger;

(C)

arranged such that failure of the indicator device will not render the emergency
luminaire or exit sign inoperative; and

(D)

located in a position which will be visible when mounted in any designed attitude.

4.6 CONTROL EQUIPMENT Where emergency luminaires or exit signs incorporate
discharge lamps, the control equipment shall be of a type which will ensure satisfactory
starting and operation of the lamps.
4.7 ELECTRICAL REQUIREMENTS For the purpose of compliance with AS 3137
(see Clauses 2.1 and 3.2), the test of operating temperatures may be omitted because the

tests in Appendix D of this Standard specify more onerous thermal conditions.
The emergency power supply unit shall be protected against damage from a.c. supply
system transients. All components shall be securely fixed in position.
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AS / NZS 2293.3:1995

16

Printed circuit tracks and conductors shall be protected against corrosion, dust and
humidity. Relays, if used, shall be protected against dust.
Any connectors used shall either be inherently corrosion-resistant or shall be treated to
prevent corrosion.
4.8

SELF-CONTAINED AUTOMATIC DISCHARGE TESTING FACILITIES

4.8.1 Application This Clause applies to emergency luminaires and exit signs which
are provided with self-contained, automatic facilities for discharge testing, i.e. fully standalone systems.
4.8.2 General requirements The testing system used shall comply with the general
requirements for automatic testing facilities in Section 4 of AS/NZS 2293.1, and with the
following:
(a)

The test facility shall not interfere with the capability of the emergency luminaire or
exit sign to operate correctly in response to loss of the normal supply.

(b)

The test facility shall automatically subject the emergency luminaire or exit sign to
a discharge test at intervals of not more than specified in AS/NZS 2293.2. The
system used to time the interval between successive discharge tests shall not be
affected during periods when the normal supply is interrupted.

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The test facility shall provide for the discharge test to continue for at least the
required duration and, for the period of the test, the battery shall receive no charge.
(c)

Appropriate sensing means shall be provided to confirm that the emergency lamp(s)
remained illuminated for the required duration.

(d)

If loss of the normal supply occurs while the test is in progress, the emergency
luminaire or exit sign shall remain connected in the emergency mode until the test
has been completed or, if the normal supply has not been restored, until the
emergency luminaire or exit sign is disconnected by the automatic battery cut-off
device.

NOTE: The operation of the emergency luminaire or exit sign can continue to be monitored
after loss of supply, the indication of the outcome of the test being provided when the normal
supply is restored.

4.8.3 Required indications Distinctive indications shall be provided
emergency luminaire or exit sign to identify the following operational states:

at

each

(a)

Normal state — an indication that the emergency luminaire or exit sign is in the
normal mode, awaiting the next discharge test.

(b)

Recently tested and complies — a temporary indication that the emergency luminaire
or exit sign was recently tested and remained illuminated for the required duration.
The indication shall be maintained for at least 5 days following completion of the
test after which the indication shall revert to that described in Item (i) below.
NOTE: The purpose of this temporary indication is to facilitate logging of the test results by
maintenance personnel.

(c)

Tested and failed — an indication that the emergency lamp(s) failed to remain
illuminated for the required duration when subjected to a discharge test. This
indication shall be maintained until the fault has been rectified and the emergency
luminaire or exit sign successfully passes a subsequent discharge test.

Where a single visual indicator is used to provide all of the indications required by Items
(a) to (c), it shall be yellow in colour and the following illuminated states shall have the
meanings given:
(i)

Continuously illuminated — to indicate the normal state. See Item (a).

(ii)

Slow flash — to indicate recently tested and complies. See Item (b).
The cycle shall comprise 4 s ‘on’ and 1 s ‘off’.

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17

AS / NZS 2293.3:1995

(iii) Fast flash — to indicate tested and failed. See Item (c).
The cycle shall comprise 0.5 s ‘on’ and 0.5 s ‘off’.
4.9 MARKING Self-contained emergency luminaires and exit signs shall be marked in
accordance with the requirements of Clauses 2.4 or 3.7, as applicable, and shall also be
legibly and durably marked with the following information:
(a)

The information necessary to ensure correct replacement of the batteries.

(b)

Any restriction on the mounting position (see Clause 4.4.1).

(c)

Identification of the test switch (see Clause 4.3.2) and battery charger operation
indicator (see Clause 4.5).

(d)

Identification of any automatic discharge testing indications (see Clause 4.8.3).

Where the emergency power supply unit is located separately from the emergency
luminaire or exit sign, each assembly shall be marked with the appropriate information
required above.

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Where combined or sustained emergency luminaires are used, the location of the
emergency lamp shall be clearly marked, together with any information necessary to
ensure correct lamp replacement.

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AS / NZS 2293.3:1995

18

APPENDIX

A

ESSENTIAL DATA AND PREFERRED FORMAT FOR TEST REPORTS
FOR EMERGENCY LUMINAIRES AND EXIT SIGNS
(Informative)

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Successful application of the requirements of AS/NZS 2293.1 depends to a large extent on
the use of emergency luminaires and exit signs of the appropriate type and performance.
To facilitate the identification of the emergency luminaires and exit signs and
authentication of their compliance with the applicable requirements, it is desirable that
test information—
(a)

be presented in a simple and uniform manner; and

(b)

be substantiated by reference to test reports from a laboratory which is
independently accredited as having competence to carry out the measurements
involved.

This Appendix sets out the essential data and preferred format for test reports for
emergency luminaires and exit signs, and is primarily aimed at providing the inspecting
authority with the information necessary to establish that the emergency luminaire or exit
sign is of the correct type and performance when appraising emergency lighting
installations for compliance with the requirements of AS/NZS 2293.1.
It is unlikely that one laboratory will be capable of undertaking all of the tests which are
required by this Standard. Test reports from more than one laboratory may therefore be
required to provide all of the information required in this Appendix.
Where test reports from another laboratory are available, the test results may be
incorporated as part of a more comprehensive test report provided that the source of the
test information and the appropriate test report is identified.
Sections of the test report that have not been assessed should be marked ‘not tested’. In
addition, certain sections of the test report will also not be applicable, e.g. different

requirements apply for emergency luminaires and exit signs. In such cases, that section of
the test report should be marked ‘not applicable’.
Where, for the purpose of testing a range of emergency luminaires/exit signs in
accordance with Appendix D, a particular emergency luminaire/exit sign is selected as
representative of the ‘worst case’, separate test reports will be required for each
luminaire/exit sign in the range considered although each test report will, under the
section on temperature, refer to the results of the tests on the ‘worst case’.
It should be noted that a test report of compliance applies only to the emergency
luminaire or exit sign to which it specifically refers, including the nominated components.
If different components are subsequently to be used, the emergency luminaire or exit sign
should be resubmitted to the laboratory responsible for the original tests for assessment of
whether the change in components will have a significant effect on performance, and thus
require retesting.
The essential data and preferred format for the test reports are set out in the following
five sheets.

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19

AS / NZS 2293.3:1995

Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EMERGENCY LUMINAIRE / EXIT SIGN
Emergency luminaire

Centrally-supplied

Maintained

Exit sign

Self-contained

Non-maintained
Combined

Catalogue No. . . . . . . . . . . . . . . .

ELECTRONIC CONTROL PACK

Series No. . . . . . . . . . . . . . . . . . .
Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mains voltage . . . . . . . . . . . . . . . .

Model No. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Current . . . . . . . . . . . . . . . . . . . .
Ballast: type, manufacturer and
Cat. No. . . . . . . . . . . . . . . . . . .

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Starter: type, manufacturer and
Cat. No. . . . . . . . . . . . . . . . . . .
Mains lamps: type, number and
rating . . . . . . . . . . . . . . . . . . . .
Emergency lamps: type, number
and rating . . . . . . . . . . . . . . . . .

(Space for drawing or photograph.
Alternatively, attach to declaration
and include appropriate reference,
e.g. see Drawing No. ..................)

Diffuser type . . . . . . . . . . . . . . . . .
BATTERY
Number of cells . . . . . . . . . . . . . .
Cell type, manufacturer and
Cat. No. . . . . . . . . . . . . . . . . . .
Battery pack: manufacturer and
Cat. No. . . . . . . . . . . . . . . . . . .
Nominal voltage . . . . . . . . . . . . . .
Battery capacity . . . . . . . . . . . . . .
COMPLIANCE WITH AS 3137

Test Report No. . . . . . . .

Laboratory . . . . . . . . . . . . . . . . . . . . . . . Registration No.

Date of Test . . . . . . . . . . . .

.............................

Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The emergency luminaire/exit sign described on Sheet 1 was examined and tested for compliance
with AS 3137, and the result was as follows:
Pass/Fail
Accuracy: the uncertainties were not greater than . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Authorized signatory:
Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phone No. . . . . . . . . . . . . . . . . . . . .
Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Date . . . . . . . . . . . . . . . . . . . . . . . .
Sheet 1 of 5

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AS / NZS 2293.3:1995

20

RADIO INTERFERENCE

Test Report No.

.........

Laboratory . . . . . . . . . . . . . . . . . . . . . . . Registration No.

Date of Test . . . . . . . . .

.............................

Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The emergency luminaire/exit sign described on Sheet 1 was tested for radio interference in
accordance with AS/NZS 4051 and the result was as follows:
Pass/Fail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE

Test Report No.

.........

Laboratory . . . . . . . . . . . . . . . . . . . . . . . Registration No.

Date of Test . . . . . . . . .

.............................

Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery specifications (see also Sheet 1):
Maximum charge current* . . . . . . . . . . . . .
Minimum charge current* . . . . . . . . . . . . .
Maximum charge voltage . . . . . . . . . . . . .

Maximum discharge current . . . . . . . . . . . . . . . . .
Minimum discharge voltage . . . . . . . . . . . . . . . . .
Maximum battery case temperature . . . . . . . . . . .

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* Excluding initial surge currents
The self-contained emergency luminaire/exit sign described on Sheet 1 or a representative emergency
luminaire/ exit sign (see below) using the same circuit, components and basic enclosure, was tested
in accordance with Appendix D of AS/NZS 2293.3, and the results were as follows:
HIGH TEMPERATURE TEST (40 ±2°C)
Emergency luminaire/exit sign tested:
Catalogue No. . . . . . . . . .

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting: [ ] Ceiling

[ ] Wall

[ ] Surface mounted

[ ] Recessed

[ ] Suspended

Operation:

[ ] Maintained

[ ] Non-maintained

[ ] Combined

Test results:
Measured parameter

Charge cycle No. 1

Charge cycle No. 2

Charge cycle No. 3

Maximum battery

voltage
Maximum battery current
Max. battery/case temp.

.............. V
.............. A
. . . . . . . . . . . . . °C

.............. V
.............. A
. . . . . . . . . . . . . °C

............... V
............... A
. . . . . . . . . . . . . . °C

Discharge cycle
No. 1

Discharge cycle
No. 2

Discharge cycle
No. 3

Measured parameter
Maximum battery current
Battery current at 2 h
Battery volts at 2 h
Battery volts at cut-off

Cut-off occurred at
Battery drain current

.
.
.
.
.
.

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..
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h
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. A
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min
. A

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min
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. A
. A
. V
. V
min
.. A

Sheet 2 of 5

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21

TEMPERATURE (continued)

AS / NZS 2293.3:1995

LOW TEMPERATURE TEST (10 ±2°C)

Emergency luminaire/exit sign tested:
Catalogue No. . . . . . . . . .

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting: [ ] Ceiling

[ ] Wall

[ ] Surface-mounted

[ ] Recessed

Operation:

[ ] Maintained

[ ] Non-maintained

[ ] Combined

[ ] Suspended

Test results:
Measured parameter

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Maximum battery voltage
Maximum battery current
Maximum battery current
Battery current at 2 h
Battery volts at 2 h
Battery volts at cut-off
Cut-off occurred at
Battery drain current

Charge cycle No. 1

Charge cycle No. 2

.
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. A
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min
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Charge cycle No. 3

. V
. A
. A
. A
. V
. V
min
. A

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Test data for both high temperature and low temperature tests:
(a) Emergency lamps illuminated continuously
(b) Emergency lamps reconnected after cut-off
(c) Battery current after cut-off in accordance with recommendation of cell manufacturer
(d) Temperatures of materials and components within the scope of AS 3100 and AS 3137
(e) Maximum temperature of battery or battery case
( f ) Test voltage for photometric tests
Battery charger short circuit test

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. V
. A
. A
. A
. V
. V
min
.. A

Yes/No
Yes/No
Yes/No
Pass/Fail
. . . °C
..
. . . . V.
Pass/fail

Accuracy: The uncertainties were not greater than . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Authorized signatory:
Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phone No. . . . . . . . . . . . . . . . . . . . . .
Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Date . . . . . . . . . . . . . . . . . . . . . . . . .

ILLUMINATION AT SWITCH ON

Test Report No.

...

Date of Test . . . . . . . . . .

Laboratory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Registration No. . . . . . . . . . . . . . . . . . . . . . . . .
Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The emergency luminaire/exit sign described on Sheet 1 was tested in accordance with
Clause 2.3/Clause 3.5.1 of AS/NZS 2293.3, and the results were as follows:
Measured parameter
Light output after 1 s
Light output after 15 s

Cold start

Hot start

Pass/Fail
Pass/Fail

Pass/Fail
Pass/Fail

Nominal battery voltage . . . . . . . . . . . . . . . . . . V.
Test voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . V.
Accuracy: the uncertainties were not greater than . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sheet 3 of 5

COPYRIGHT


AS / NZS 2293.3:1995

22

ILLUMINATION AT SWITCH ON (continued)
Authorized signatory:
Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phone No. . . . . . . . . . . . . . . . . . . . . .
Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Date . . . . . . . . . . . . . . . . . . . . . . . . .
PHOTOMETRY

Test Report No. . . . . Date of Test . . . . . . . . . . . . . .

Laboratory . . . . . . . . . . . . . . . . . . . . . . . . . . . Registration No.

..........................

Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The emergency luminaire described on Sheet 1 was tested in accordance with Appendix C of
AS/NZS 2293.3 and with AS 1680.3. The results were as follows:
Test voltage and, for self-contained emergency luminaires, measured current:
.................... V ...................... A
(For self-contained emergency luminaires, see Temperature Test Report No.

................ )

Abridged intensity data (for luminaire classification) :
Vertical angle
γ
degrees

Luminous intensity, cd
C 0 plane

C 90 plane

Licensed to LUU MINH LUAN on 25 Feb 2002. Single user licence only. Storage, distribution or use on network prohibited.

0
5
10

(5° steps)

90
Maximum assignable classifications:
A .............

B ............

C ...........

D ............

E ............

Comprehensive intensity data (for illuminance calculations) :
Comprehensive luminous intensity data for the emergency luminaire, complying with AS 1680.3, is
available separately in Test Report No. . . . . . . . . . . . . . . . . . . . . . .

Utilization factors (for New Zealand) :
Data on utilization factors for the emergency luminaire, complying with AS 1680.3, is available
separately in Test Report No. . . . . . . . . . . . . . . . . . . . .

Accuracy: the uncertainties were not greater than . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Authorized signatory:
Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phone No. . . . . . . . . . . . . . . . . . . . . .
Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Date . . . . . . . . . . . . . . . . . . . . . . . . .
Sheet 4 of 5

COPYRIGHT