Electrical Terminology Flashcards

Front

Single Phase

Back

A two-wire alternating current (AC) power circuit with one power wire (phase wire) and one neutral wire.

Front

Single pole switch

Back

A switch that has one input and one output - on and off.

Front

Splice

Back

The joint of two joined electric wires.

Front

Strut

Back

A support tool or fitting used to support electrical equipment like panels and cable boxes.

Front

Subpanel

Back

A smaller, complimentary panel that distributes power to a specific area of the home.

Front

Surge Protection

Back

An appliance or device that protects electrical units from voltage spikes.

Front

Three Phase

Back

A three-wire AC power circuit with each phase AC signal 120 electrical degrees apart.

Front

Three-way switch

Back

Multiple location points to access power, allowing control of one light from more than one switch.

Front

Transfer Switch (ATS/MTS)

Back

A device that transfers power from its original source to a backup source if one fails.

Front

Traveler

Back

A wire that carries voltage through a multi-way switch between two three-way switches.