BCT NOCTI STUDY SET (ELECTRICAL)
QUESTIONS AND ANSWERS 2023
When wiring a 3-way switch, what color wires typically go to the travelers? - answer red and
white
Green wires go to what connectors? - answer ground
Where are arc fault receptacles required? - answer Bedrooms (To eliminate arcs that could catch
bedding on fire)
Current is measured in what unit? - answer AMPS
When wiring 3 switches, what switches are required? - answer (2) 3-way switches and (1) 4-way
switch
12 gauge wire is the standard size for what amp circuits? - answer 20 AMP circuits
What type of electrical circuits are 20 AMP breakers used for? - answer Receptacle circuits
14 gauge wire is used for what AMP circuits? - answer 15 amp circuits
What type of electrical circuits are 15 amp breakers used for? - answer Lighting circuits
14/3 Romex contains what colored wires? - answer Black, White and Red
What determines the number of wires that are legally allowed to be in an electrical box? -
answer The size of the box
QUESTIONS AND ANSWERS 2023
When wiring a 3-way switch, what color wires typically go to the travelers? - answer red and
white
Green wires go to what connectors? - answer ground
Where are arc fault receptacles required? - answer Bedrooms (To eliminate arcs that could catch
bedding on fire)
Current is measured in what unit? - answer AMPS
When wiring 3 switches, what switches are required? - answer (2) 3-way switches and (1) 4-way
switch
12 gauge wire is the standard size for what amp circuits? - answer 20 AMP circuits
What type of electrical circuits are 20 AMP breakers used for? - answer Receptacle circuits
14 gauge wire is used for what AMP circuits? - answer 15 amp circuits
What type of electrical circuits are 15 amp breakers used for? - answer Lighting circuits
14/3 Romex contains what colored wires? - answer Black, White and Red
What determines the number of wires that are legally allowed to be in an electrical box? -
answer The size of the box
