In an electric heater, the metal case is connected to ________ I
| In an electric heater, the metal case is connected to ________
A. Phase wire
B. earth wire
C. neutral wire
D. none of these
Please scroll down to see the correct answer and solution guide.
Right Answer is: B
SOLUTION
In electric heater, the metal case is connected to earth wire, so that the earth wire creates a safe route for the current to flow through it, if the live wire touches the casing. Earth wire will protect from the shocks.