ELECTRICAL NCCER
. A drill motor breaks down during an installation. What should be done? - Answer- D. Tag the drill
and give it to the supervisor
1. The NEC recommends maintaining voltage within a 3% drop. If a branch circuit operates at 240
volts AC. What is the minimum circuit operating volt? - Answer- 220
2. What is the name of the connecting device shown in the diagram? - Answer- split - bolt
3. The volt amperes in an AC circuit is the same as - Answer- true power
4.What is the voltage drop for a #8 (16.510 cmil) copper wire at 120v. 215 feet one way and a load
of 39amps? - Answer- 10.5
5. If a voltage source of a circuit provides 240 volts and there are 5 ohms of resistance, how much
current is in the circuit? - Answer- 48amps
6. What should be done to change rotation of a 3 phase motor? - Answer- Swap any two T leads
7. What instrument is used to measure current - Answer- Voltmeter
8.Which plan indicates the location of structures and equipment on a property - Answer- Detail
drawing
9. Generally , the most ideal conductor is made of: - Answer- Copper
10. What is the standard size system used in the united states? - Answer- AWG
11. What is insulating tape? - Answer- Non-Conductive adhesive tape
12. Which of these is used as a guide to assist cables entering a conduit? - Answer- Sheave
13. Which of the following is not a reason why electrical systems must be grounded? - Answer-
Dissipate lighting
14. What type of conduit body is characterized by a threaded straight hub on each end? - Answer-
c
15 A megger will be used to check an in-service cable. The Electrician MUST be sure that the
circuit is: - Answer- De-energized and locked tagged out, and tested
16. Rubber gloves MUST be electrically tested at MAXIMUM intervals of: - Answer- 6 months
17. A dangerously high voltage is produced when someone opens the secondary circuit of a: -
Answer- Current transformer
. A drill motor breaks down during an installation. What should be done? - Answer- D. Tag the drill
and give it to the supervisor
1. The NEC recommends maintaining voltage within a 3% drop. If a branch circuit operates at 240
volts AC. What is the minimum circuit operating volt? - Answer- 220
2. What is the name of the connecting device shown in the diagram? - Answer- split - bolt
3. The volt amperes in an AC circuit is the same as - Answer- true power
4.What is the voltage drop for a #8 (16.510 cmil) copper wire at 120v. 215 feet one way and a load
of 39amps? - Answer- 10.5
5. If a voltage source of a circuit provides 240 volts and there are 5 ohms of resistance, how much
current is in the circuit? - Answer- 48amps
6. What should be done to change rotation of a 3 phase motor? - Answer- Swap any two T leads
7. What instrument is used to measure current - Answer- Voltmeter
8.Which plan indicates the location of structures and equipment on a property - Answer- Detail
drawing
9. Generally , the most ideal conductor is made of: - Answer- Copper
10. What is the standard size system used in the united states? - Answer- AWG
11. What is insulating tape? - Answer- Non-Conductive adhesive tape
12. Which of these is used as a guide to assist cables entering a conduit? - Answer- Sheave
13. Which of the following is not a reason why electrical systems must be grounded? - Answer-
Dissipate lighting
14. What type of conduit body is characterized by a threaded straight hub on each end? - Answer-
c
15 A megger will be used to check an in-service cable. The Electrician MUST be sure that the
circuit is: - Answer- De-energized and locked tagged out, and tested
16. Rubber gloves MUST be electrically tested at MAXIMUM intervals of: - Answer- 6 months
17. A dangerously high voltage is produced when someone opens the secondary circuit of a: -
Answer- Current transformer
