To withstand high voltage

Not to attract birds to sit on it

To offer high mechanical strength

Disables continuous water flow in rainy season

To minimize the line sag

To reduce the line voltage d

To increase the tensile strength

To increase the current carrying capacity

Two phase four wire

Two phase three wire

Single phase two wire

Three phase three wire

Pin insulator

Strain insulator

Shackle insulator

Suspension insulator

Avoid sparking

Avoid corrosion

Avoid oxide formation

Avoid atmospheric pressure