Question by risingstar: help on practice test don’t have any reference?
4.A wild (high) leg should always be marked in what color?
5. On the name plate of a motor, the words “thermally protected” means what?
6. Galvanized rigid conduit is coated with what?
7. List ways to attach an outlet box to a solid concrete.
8. What type of conductors shall be used for wiring on fixture chains?
9. To reverse the rotation of a three phase motor, you would?
10. Excluding residential calculations, an ordinary outlet shall be calculated at:
11. Electric motors are rated in terms of
12. Solenoids are made of what type of magnets?
13. When referring to a “8-32” machine bolt, the “32” refers to what?
14. What is the purpose of the neutral conductor?
15. In a three phase, four wire wye system having 277V for lighting, the three phase motors would be operating on a voltage of:
16. Always assume the circuit you are working on is?
17. Once a conduit has been cut, it must be _________________to remove the rough edges.
18. When offsetting conduit around an I-Beam, what kind of bend would you use?
19. According to the NEC, how many 90 degree bends are allowed between boxes?
20. How many circuits will a #12 AWG neutral carry on a 20 amp circuit?
Best answer:
Answer by tlbs101
I can’t answer them all because I am not super familiar with the NEC, but I’ll do what I *can*.
4. (don’t know.) A guess is: red.
5. There is a thermal fuse, or thermal switch in series with the line, inside the motor
6. Zinc
7. (don’t know NEC rules for this.)
8. (don’t know NEC rules for this.)
9. swap the connection between 2 phases — it doesn’t matter which ones.
10. (don’t know NEC rules for this.) For residential it is 15 A max. If I had to guess it would be 20A for non-residential
11. Horsepower
12. laminated steel
13. 32 threads per inch
14. To act as a safety ground for carrying fault current
15. 480 volts (277 * squareroot(3))
16. Live
17. De-burred
18.(don’t know)
19. (don’t know)
20. (don’t know)
Good luck on your test
See, not all electrical engineers could make good electricians LOL!
I’m sure if I studied the NEC for the same exam, I could pass, though.
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What do you think? Answer below!