BCT NOCTI STUDY SET (ELECTRICAL) QUESTIONS AND ANSWERS 2023.

When wiring a 3-way switch, what color wires typically go to the travelers? red and white Green wires go to what connectors? ground Where are arc fault receptacles required? Bedrooms (To eliminate arcs that could catch bedding on fire) Current is measured in what unit? AMPS When wiring 3 switches, what switches are required? (2) 3-way switches and (1) 4-way switch 12 gauge wire is the standard size for what amp circuits? 20 AMP circuits What type of electrical circuits are 20 AMP breakers used for? Receptacle circuits 14 gauge wire is used for what AMP circuits? 15 amp circuits What type of electrical circuits are 15 amp breakers used for? Lighting circuits 14/3 Romex contains what colored wires? Black, White and Red What determines the number of wires that are legally allowed to be in an electrical box? The size of the box What is the minimum amperage for a residential electrical service? 100 amp What type of fire extinguisher can be used on all fires? ABC What does the term GFCI stand for? Ground Fault Circuit Interrupter GFCI receptacles are used for what locations? Wet locations (kitchen, bathroom, garage, basement, outdoors) What color is the common screw on a 3-way switch? Black What do the letters AWG? American Wire GaugeBetween How much room is needed in front of a service panel? 36"