Flexible metal conduit is sometimes referred to as? Correct answer- Greenfield
2. What do you look for to determine if a switch or receptacle is acceptable for
copper and aluminum wiring? Correct answer- CO/ALR
3. What type of receptacle should not be used with aluminum branch circuits wiring
a...
flexible metal conduit is sometimes referred to as
what do you look for to determine if a switch or receptacle is acceptable for copper and aluminum wiring
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Electrical Practice Exam
1. Flexible metal conduit is sometimes referred to as? Correct answer- Greenfield
2. What do you look for to determine if a switch or receptacle is acceptable for
copper and aluminum wiring? Correct answer- CO/ALR
3. What type of receptacle should not be used with aluminum branch circuits wiring
any longer? Correct answer- CU/AL
4. What type of wire nut is not appropriate for aluminum wire? Correct answer-
Conventional
5. What is another name for a grounding rod? Correct answer- Electrode
6. What is the purpose of a circuit breaker? Correct answer- Interruption of
electrical flow
7. What are two examples of automatic circuit breakers? Correct answer- Fuses
and Breakers
8. What is another term for NM sheathed cable? Correct answer- Romex
9. Minimum distance of a GFCI from a bathtub or shower: Correct answer- 0 by the
code (36 by the brown book, but on exam it should be 0)
10. Maximum distance of an outlet from a lavatory/basin: Correct answer- 3'
11. Which is deficient? Correct answer- Unused opening that has been taped
12. A device designed to open and close a circuit by non-automatic means and
applied within its rating to open the circuit automatically when predetermined
over-current is called? Correct answer- Circuit Breaker
13. Type NM wiring shall be supported a maximum of _______ on center. Correct
answer- 4.5 feet
14. At a kitchen counter, countertop receptacle outlets shall be installed within a
maximum horizontal distance of _______ from any point along the wall to an
outlet. Correct answer- 24 inches
15. Which of the following is a good conductor? Correct answer- Copper,Aluminum &
Silver (All of the above)
16. Is the service drop overhead or underground? Correct answer- Overhead
, 17. Are service laterals overhead or underground? Correct answer- Underground
18. The drip loop is typically part of the service drop. Correct answer- False (It is part
of the service entrance)
19. Which of the following is a reliable way to identify the service size? Correct
answer- The service entry conductor size
20. Which of the following is a safety issue? Correct answer- The main fuses have a
higher rating than the service entrance wire.
21. How should the feeder wires to a sub-panel from the main panel ideally be
protected? Correct answer- Fuses should be provided at the main panel
22. Which of the following wires are stranded? Correct answer- #8, #6 (Both C and
D)
23. Bonding the gas piping to the supply plumbing system mean that: Correct
answer- Any stray electrical current will not cause arcing, which otherwise could
ignite the gas
25. What is required to be installed in unfinished basements or exterior walls?
Correct answer- GFCI
26. Report as deficient breaker boxes that are? Correct answer- Installed in
hazardous location/safety issue
27. Antioxidants do what? Correct answer- Prevent oxidation
28. Nicked wire causes what to happen? Correct answer- ARC's
29. Can BX cable be used at receptacle outlets? Correct answer- Yes, metal only.
BX and Greenfiled are interchangeable
30. 18 gauge lamp cord where is it commonly used/installed? Correct answer-
Entry/Breakfast table area/ dining room
31. 15 AMP circuits are used where? Correct answer- Branch circuit wiring
32. What is required for electrical receptacles for a swimming pool motor? Correct
answer- Twist Lock and GFCI
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