Electrical Terms
Conductors
Misc. Electrical
Switches and Receptacles
Wiring Knowledge
100

This is the measure of how much power is being used.

What is a watt?

100

Conductor type that is actually several wires twisted together.

What is stranded wire?

100

These are machine punched pieces of metal not completely cut loose from the metal box.

What is a knockout?

100

The wire that is not required to be insulated.

What is a ground wire?

100

In 120-volt house wiring, the black wire is always this.

What is hot?

200

A measure of the number of electrons flowing.

What is current?

200

This a device for controlling the flow of electrical current in an electric circuit by opening and closing the circuit.

What is a switch?

200

This term is the conductor to ground an electrical service.

What is a GEC (grounding electrode conductor)?

200

This is the most common electric dryer receptacle.

What is a 4-wire 30A receptacle?

200

This has two pairs of traveler terminals and no common terminal.

What is a four way switch?

300

The unit of measurement of electrical resistance.

What is an ohm?

300

The diameter of a wire.

What is gauge?

300

Is the NEC Table used to size the GEC.

What is 250.66?

300

True or False. You can NEVER replace two-prong receptacle with a three-prong receptacle

What is false? (Maybe replaced with a GFCI and marked "No Ground" or another two-pronged receptacle.

300

Most common wiring method for an electric dryer.

What is 10/3 Romex?

400

The unit by which electricity is metered for resale.

What is a kilowatt hour?

400

Wire commonly used in residential housing.

What is non-metallic sheathed cable (Romex)?

400

This is the term for a feeder or branch circuit ground.

What is EGC (equipment grounding conductor)?

400

This is allowed as an approved lighting outlet.

What is a half-hot or switched receptacle?

400

Amount of power available from a 15A 120V residential circuit.

What is 1800 VA/WATTS?

500

When given voltage, current, or resistance, using this formula, the unknown factor can be calculated if the other two factors are known.

What is Ohm's Law?

500

4/0 Aluminum SEU is used for this size service.

What is 200A?

500

Is the NEC Table used to size an EGC.

What is 250.122?

500

A general use "snap switch" may be used as a disconnect for motors up to this horse power.

What is 2 hp?

500

This is the maximum number of circuit breakers allowed before a main disconnect is required. (181129)

What is 6?