Electrical Terms and Definitions

Front

AFCI

Back

Arc Fault Circuit Interrupter; protects against electrical discharge.

Front

Ammeter

Back

Measures electric current in amperes.

Front

Ampere (Amp)

Back

Base unit of electric current.

Front

Arc

Back

Continuous electric discharge; occurs when overloaded.

Front

Bonded

Back

Electrically connect exposed metal items for shock protection.

Front

Circuit Breaker

Back

Automatically protects circuits from overloads.

Front

Conductor

Back

Material that conducts electricity; high conductivity.

Front

Conduit

Back

Protective pipe or tube for electric wires.

Front

Copper

Back

Common electrical conductor in wiring.

Front

Electrical Panel/Box

Back

Distributes electrical currents in a home.