26 Questions
What does a white wire typically indicate in modern Type NM cables?
Neutral wire
What is the purpose of the thin aluminum bonding wire in Type AC (BX) cable?
Grounding conductor
According to NEC, what color wire must be used as an ungrounded conductor or hot wire?
Black
What is the significance of blue or yellow wires in conduit according to the text?
Designate a specific use
What type of circuit would be used for heavy duty appliances like ranges and hot water tanks?
240 volt circuit
Where would a GFCI protected breaker circuit be typically set up?
Bathrooms, kitchens, and outside receptacles
What does the gauge of a wire indicate?
The diameter and current carrying capacity
What does NM cable sheath markings indicate?
Size and type of the conductors in it
What type of cable does not have a grounding conductor?
Type AC (Armor Clad)
What color wire must be used as an ungrounded conductor or hot wire according to NEC?
Black or red
What is the purpose of the thin aluminum bonding wire in Type AC (BX) cable?
Provide the required path to ground
What does a white wire typically indicate in modern Type NM cables?
Neutral wire
Which type of cable is sheathed in a flexible metal coil?
Type MC (Metal Clad)
What do blue or yellow wires in conduit typically designate?
Specific use
What type of wire must not be used for establishing a ground or neutral connection?
White or gray
What does a black or red wire typically indicate according to NEC?
Ungrounded conductor or hot wire
What is the purpose of the grounding conductor in a cable?
Provide a path to ground
What is the purpose of a dedicated circuit for appliances like a furnace or a refrigerator?
To provide wiring for only one device and size the breaker per the appliance's requirements
What type of circuit is suitable for computer equipment?
Dedicated circuit
What is the voltage requirement for heavy duty appliances like air conditioners and hot water tanks?
240 volts
Where would GFCI circuits be typically set up to cover?
Bathrooms, kitchens, and outside receptacles
What does the gauge of a wire indicate?
The diameter of the wire and the amount of current it can carry
What is the purpose of NM cable markings on the cable sheath?
To indicate the size and type of the conductors in it
What are GFCI receptacles used for?
To provide ground fault protection and may affect other outlets within the circuit they are installed in
What is the purpose of a double pole breaker in a 240 volt circuit?
To disconnect both the hot and neutral wires if a fault occurs
What is the significance of non-metallic (NM) cable in household wiring?
It is commonly used for residential wiring and has markings indicating the size and type of conductors
Test your knowledge of electrical circuits with this quiz. Explore different types of circuits, including special circuits for dedicated appliances and computer equipment, as well as 240-volt circuits for heavy-duty appliances. See how much you know about the wiring and breaker requirements for various electrical devices.
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