Q. Earthing of electrical installations are done using:

A
Insulated copper wire
B
Bare Aluminium wire
C
Insulated Aluminium wire
D
Bare Copper wire
Solution:

To connect the metallic (conductive) Parts of an Electric appliance or installations to the earth (ground) is called Earthing. Generally bare copper strip of size 3SWG used as earth continuity conductor .

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