Question

What is the function of the round third prong in a modern household electric plug?
What is the function of the round third prong in a modern household electric plug?
a) It grounds the case to zero potential.
b) it supplies a backup source of voltage.
c) It provides safety against lightning strikes.
d) It attaches the case to 120 volts potential.

Answer 1

A) That is NOT right
B) That is NOT right
C) Yes its correct because it allows any excess
buildup in charge to be sent to ground and prevent accidental shock.
There it provides safety against lightning strikes.
D) That is NOT right