Electrical Principles Crossword
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Across
3. An open _____ will close at 115 degrees Fahrenheit.
5. If more current flows thru a wire than it's rated for it will become
_____ to the touch.
6. Electricity can be changed to heat, light, _____, or magnetism.
7. The _____ side of a transformer has voltage induced to it.
8. A sine wave is a graphic plot of one _____ of AC voltage.
11. The primary _____ of a transformer has voltage applied to it.
12. A circuit can have as many _____ as needed.
13. Run capacitors will come in a metal or _____ plastic container.
16. _____ flow in a conductor will create heat.
17. The motor configuration named Capacitor Start Capacitor Run is
abbreviated _____ .
19. An ungrounded _____ is a name for a hot wire.
22. Resistance is the _____ to current flow.
25. Sometimes a capacitor is simply called a _____ .
27. In a heat pump the only electrical difference between heating and
cooling is the _____ .
31. The
32. A circuit needs a power source, a _____ , and a load to work.
34. On an analog ohmmeter every time you change the scale you
must _____ the meter.
35. A _____ means
36. Current is measured in _____ .
37. Some run capacitors may have a painted _____ to mark the side
that should be connected to the fused line.
39. _____ is a name for switch.
40. A line or _____ diagram will show us physical wiring
connections.
41. Transformers are rated in _____ .
42. When we replace a relay we need to know the coil voltage and the
switch _____ and amp rating.
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Down
1. In a heat pump defrost cycle, it will take a combination of temperature and
_____ to initiate defrost.
2. A mechanical switch is controlled automatically by outside _____ like
temperature or pressure & etc.
4. The main winding in a single phase motor is called the _____ winding.
5. An RVS can be energized in _____ or cooling.
7. The most useful wiring diagram to us is the Ladder _____ .
9. A run cap may be filled with _____ to dissipate heat.
10. The secondary side of a transformer has voltage _____ into it.
14. Used to protect wires.
15. When using an ohmmeter the first step is to kill the power, the _____ step is
to isolate the component.
18. Ground wires should be run _____ with no switches or fuses in line.
20. A _____ is a graphic plot of one cycle of AC voltage.
21. _____ voltage drops are caused by dirty contacts, loose wires, and frayed
wires.
23. The abbreviation for a run capacitor.
24. 277v power is mainly used for _____ lights.
26. A Heat _____ will always have an RVS.
28. If voltage output of a transformer is less than the input, it is called a _____
down transformer.
29. We should expect to _____ a reading from 215 volts to 250 volts on what we
now call a 240:120VAC 1 phase power source.
30. EMF is measured in _____ .
31. The main job of capacitors is to increase starting _____ .
33. The main enemy of all electrical devices is _____ .
38. A delta transformer will have a conductor called a wild _____ .
40. Ohm's _____ states, E = I x R
43. FLA can be found on the motors _____ plate.