The wire which is connected to the earth and has a black insulation cover is called as:
Neutral wire
Earth Wire
Live Wire
None of these
The neutral wire is covered with black insulation over it and connected to earth ground. Its voltage is negative compared to the live wire.
The main fuse is connected in :
(a) live wire
(b) neutral wire
(c) both the live and earth wires
(d) both the earth and neutral wires.
What is the usual colours of the insulation of : (a) live wire, (b) neutral wire, and (c) earth wire ?
A switch must be connected in the :
(c) earth wire
(d) either earth or neutral wire.