Exam Prep - Electrical - Missed Questions And Answers
2025\2026
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
Minimum distance of a GFCI from a bathtub or shower: - CORRECT ANSWER-0
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 with a
maximum horizontal distance of ______ from any point along the wall line to an
outlet. - CORRECT ANSWER-24"
A 120-volt circuit uses a black and red wire. - CORRECT ANSWER-False
, The drip loop is typically part of the service drop. - CORRECT ANSWER-False
All service entrance conductors must be attached above roof level. - CORRECT
ANSWER-False
What is a reliable way to identify the service size? - CORRECT ANSWER-The service
entrance conductor size
A fused 200-amp service has two 100-amp fuses in the service box. - CORRECT
ANSWER-False
There can be up to 10 throws to disconnect all of the electricity in the house. -
CORRECT ANSWER-False. Max is 6
Wires run directly from the service box to the branch circuits. - CORRECT
ANSWER-False
Outlets should be as far away from bathtubs and showers as possible - CORRECT
ANSWER-True
Outlets should be as close to a basin as possible. - CORRECT ANSWER-True
Polarity occurs when? - CORRECT ANSWER-Electrical Receptacle is connected
(properly)
2025\2026
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
Minimum distance of a GFCI from a bathtub or shower: - CORRECT ANSWER-0
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 with a
maximum horizontal distance of ______ from any point along the wall line to an
outlet. - CORRECT ANSWER-24"
A 120-volt circuit uses a black and red wire. - CORRECT ANSWER-False
, The drip loop is typically part of the service drop. - CORRECT ANSWER-False
All service entrance conductors must be attached above roof level. - CORRECT
ANSWER-False
What is a reliable way to identify the service size? - CORRECT ANSWER-The service
entrance conductor size
A fused 200-amp service has two 100-amp fuses in the service box. - CORRECT
ANSWER-False
There can be up to 10 throws to disconnect all of the electricity in the house. -
CORRECT ANSWER-False. Max is 6
Wires run directly from the service box to the branch circuits. - CORRECT
ANSWER-False
Outlets should be as far away from bathtubs and showers as possible - CORRECT
ANSWER-True
Outlets should be as close to a basin as possible. - CORRECT ANSWER-True
Polarity occurs when? - CORRECT ANSWER-Electrical Receptacle is connected
(properly)
