What meter must NEVER be connected to a circuit when the circuit power is turned on?
A) an ammeter
B) a voltmeter
C) an ohmmeter
D) a wattmeter

Question

Quizplus · Accepted Answer

An ohmmeter must never be connected to a circuit when the circuit power is turned on because it sends a small current through the circuit to measure resistance. Connecting it to a live circuit can damage the meter, the circuit, or cause injury.

What Meter Must NEVER Be Connected to a Circuit When