There are conditions where arcing in an electrical circuit is normal, such as ____.
A) arcs caused by brushless motors
B) turning a light switch on or off
C) changing a light bulb without the power turned on
D) plugging in an appliance that is off

Question

Quizplus · Accepted Answer

Turning a light switch on or off can create a small arc due to the brief interruption of current flow. This is normal and not a cause for concern. The other options listed can potentially lead to arcing that is not normal and may indicate a problem in the electrical circuit.

There Are Conditions Where Arcing in an Electrical Circuit Is