20) Though the I.C.D.P switch of an electrical installation is in OFF position, load connected to the switch is functioning normally. This is due to

Earth fault between L and E in the switch

Loose handle fixed on baffle carrier rod of switch

Short between L and E in the switch

Baffles in the switch are in open condition due to damaged operating rod

Answer is:

Loose handle fixed on baffle carrier rod of switch

fuse in both line and neutral

a fuse in the line and a link in the neutral

a link in the line and a fuse in the neutral

thicker fuse wire in the phase and thinner fuse wire in the neutral

Answer is:

One SPT and 6 Two way

Two SPT and 5 Two way

One SPT and 5 Two way

Two SPT and 6 Two way

Answer is:

metal box

sheet metal box

cast iron box

PVC box

Answer is:

Holding accessories

General accessories

Safety accessories

Controlling accessories

Answer is: