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All the question's and answer's in this quiz are found in Tom Henry's book, "Master Electrician Exam Questions and Answers".
1. Type UF cable shall be permitted .
- [ ] in commercial garages
- [ ] in a theater
- [ ] where embedded in poured concrete
- [ ] for interior wiring in wet or corrosive locations
2. Disregarding exceptions, direct burial cable rated above volts shall be shielded.
- [ ] 2000
- [ ] 600
- [ ] 1500
- [ ] 1000
3. is/are the letter(s) used to indicate capacitive reactance in a circuit.
- [ ] Z
- [ ] HZ
- [ ] XL
- [ ] XC
4. Four heater coils with a given voltage will consume the most power when connected .
- [ ] all in series
- [ ] two in parallel
- [ ] all in parallel
- [ ] two parallel pair in series
5. Incandescent light bulbs when operated at a voltage less than the rated voltage, will normally result in .
- [ ] more current
- [ ] longer bulb life
- [ ] more light
- [ ] shorter bulb life
6. The volt-ampere rating in an AC circuit is a way to indicate the power.
- [ ] true
- [ ] apparent
- [ ] real
- [ ] peak
7. In a three-phase, 4 wire wye system having 277v for lighting, the three-phase motors would be operating on a voltage of volts.
- [ ] 190
- [ ] 240
- [ ] 208
- [ ] 480
8. may be connected ahead of the main service switch.
- [ ] Lightning Arresters
- [ ] Lighting Fixtures
- [ ] Nothing
- [ ] Motors
9. Which of the following is the best conductor of electricity?
- [ ] carbon
- [ ] tungsten
- [ ] aluminum
- [ ] iron
10. A transformer is associated with current.
- [ ] either alternating or direct
- [ ] direct
- [ ] neither alternating or direct
- [ ] alternating
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