EARTHING

which type of earthing is used in sandy area

• Pipe earthing

• Plate earthing

• Rod earthing

• Strip earthing

What is the color code of earth wire

• Red

• Black

• Green

• Blue

Earth wire is connected which part in switch board

• Switch

• Socket

• Indicator

_________Is used for lower earth resistance

_______Equipment is used for earth test

Fuse is always inserted in earth wire​ (a)  

• False
• True

Earthing save human being from electric shock​ (a)  

• True
• False

Earthing protect electric equipment​ (a)  

• True
• False

Protection of electric short circuit which device is used

• Fuse

• MCB

• MCCB

Which current gives shock

• AC

• DC