In a three-pronged plug, the purpose of the third prong is to
A) provide a short circuit to ground.
B) prevent excessive power use by inefficient appliances.
C) create a stronger connection to the outlet when plugged in.
D) provide a path to ground in the event of a short circuit to the case of an appliance.

Question

Quizplus · Accepted Answer

The third prong, also known as the ground prong, provides a path to ground in the event of a short circuit to the case of an appliance, thus protecting the user from electrical shocks.

In a Three-Pronged Plug, the Purpose of the Third Prong