Electrical Practice Exam
Flexible metal conduit is sometimes referred to as? - correct answer ✔✔Greenfield
What do you look for to determine if a switch or receptacle is acceptable for copper and aluminum
wiring? - correct answer ✔✔CO/ALR
What type of receptacle should not be used with aluminum branch circuits wiring any longer? - correct
answer ✔✔CU/AL
What type of wire nut is not appropriate for aluminum wire? - correct answer ✔✔Conventional
What is another name for a grounding rod? - correct answer ✔✔Electrode
What is the purpose of a circuit breaker? - correct answer ✔✔Interruption of electrical flow
What are two examples of automatic circuit breakers? - correct answer ✔✔Fuses and Breakers
What is another term for NM sheathed cable? - correct answer ✔✔Romex
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)
Maximum distance of an outlet from a lavatory/basin: - correct answer ✔✔3'
Which is deficient? - correct answer ✔✔Unused opening that has been taped
, 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
Type NM wiring shall be supported a maximum of _______ on center. - correct answer ✔✔4.5 feet
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
Which of the following is a good conductor? - correct answer ✔✔Copper,Aluminum & Silver (All of the
above)
Is the service drop overhead or underground? - correct answer ✔✔Overhead
Are service laterals overhead or underground? - correct answer ✔✔Underground
The drip loop is typically part of the service drop. - correct answer ✔✔False (It is part of the service
entrance)
Which of the following is a reliable way to identify the service size? - correct answer ✔✔The service
entry conductor size
Which of the following is a safety issue? - correct answer ✔✔The main fuses have a higher rating than
the service entrance wire.
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
Which of the following wires are stranded? - correct answer ✔✔#8, #6 (Both C and D)
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
Flexible metal conduit is sometimes referred to as? - correct answer ✔✔Greenfield
What do you look for to determine if a switch or receptacle is acceptable for copper and aluminum
wiring? - correct answer ✔✔CO/ALR
What type of receptacle should not be used with aluminum branch circuits wiring any longer? - correct
answer ✔✔CU/AL
What type of wire nut is not appropriate for aluminum wire? - correct answer ✔✔Conventional
What is another name for a grounding rod? - correct answer ✔✔Electrode
What is the purpose of a circuit breaker? - correct answer ✔✔Interruption of electrical flow
What are two examples of automatic circuit breakers? - correct answer ✔✔Fuses and Breakers
What is another term for NM sheathed cable? - correct answer ✔✔Romex
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)
Maximum distance of an outlet from a lavatory/basin: - correct answer ✔✔3'
Which is deficient? - correct answer ✔✔Unused opening that has been taped
, 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
Type NM wiring shall be supported a maximum of _______ on center. - correct answer ✔✔4.5 feet
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
Which of the following is a good conductor? - correct answer ✔✔Copper,Aluminum & Silver (All of the
above)
Is the service drop overhead or underground? - correct answer ✔✔Overhead
Are service laterals overhead or underground? - correct answer ✔✔Underground
The drip loop is typically part of the service drop. - correct answer ✔✔False (It is part of the service
entrance)
Which of the following is a reliable way to identify the service size? - correct answer ✔✔The service
entry conductor size
Which of the following is a safety issue? - correct answer ✔✔The main fuses have a higher rating than
the service entrance wire.
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
Which of the following wires are stranded? - correct answer ✔✔#8, #6 (Both C and D)
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
