Residential Wiring Chap.4 Flashcard

Front

What instrument is used to measure resistance?

Back

Ohmmeter

Front

What device can indicate voltage presence without being connected?

Back

Non-contact voltage tester

Front

What is a break in an electrical conductor called?

Back

Open circuit

Front

What instrument measures the amount of current in a circuit?

Back

Ammeter

Front

What is the term for a circuit that is not complete?

Back

Open circuit

Front

What instrument measures voltage in a circuit?

Back

Voltmeter

Front

What is the purpose of an ammeter?

Back

To measure current flowing in a circuit.

Front

What does a voltmeter measure?

Back

The electrical potential difference (voltage) between two points.

Front

What is a ground fault?

Back

An unintentional electrical path between a source of current and a grounded surface.

Front

What is a short circuit?

Back

A low-resistance connection between two conductors supplying electrical power.