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All the question's and answer's in this quiz are found in Tom Henry's book, "Journeyman Electrician Exam Questions and Answers".
1. Which type of the following portable fire extinguishers should be used on a live electrical fire?
- [ ] water
- [ ] foam
- [ ] soda-acid
- [ ] carbon dioxide
2. A stranded wire with the same AWG as a solid wire .
- [ ] is used for higher voltages
- [ ] has a higher ampacity
- [ ] has the same resistance
- [ ] is larger in total diameter
3. A limit switch is used on a piece of machinery to open the circuit when the
.
- [ ] pressure exceeds a preset limit
- [ ] current exceeds a preset limit
- [ ] temperature reaches a preset limit
- [ ] travel reaches a preset limit
4. When rigid metal conduits are buried the minimum cover required by the Code is .
- [ ] 18"
- [ ] 12"
- [ ] 24"
- [ ] 6"
5. The connection of a ground clamp to a grounding electrode shall be .
- [ ] accessible
- [ ] visible
- [ ] in sight
- [ ] readily accessible
6. The voltage lost across a portion of a circuit is called the .
- [ ] power loss
- [ ] power factor
- [ ] apparent va
- [ ] voltage drop
7. A type of cable protected by a spiral metal cover is called in the field.
- [ ] Romex
- [ ] BX
- [ ] greenfield
- [ ] sealtight
8. When using a #14-2 with ground Romex, the ground carry current under normal operation.
- [ ] will sometimes
- [ ] none of these
- [ ] will
- [ ] will not
9. A is an enclosure designed either for surface or flush mounting and provided with a frame, mat, or trim in which a swinging door or doors are or may be hung.
- [ ] cutout box
- [ ] panelboard
- [ ] cabinet
- [ ] switchboard
10. Pigtails are used on brushes to .
- [ ] compensate for wear
- [ ] hold the brush in the holder
- [ ] supply the proper brush tension
- [ ] make a good electrical connection
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