Transmission line hardware is a general called for all the fittings that used to connect the transmission line. They can survive in the heavy saline conditions along the coast. Transmission line hardware is designed to use on the transformer substation or terminal transmission pole.

The hardware in a transmission line refers to various components and devices used to support, protect, and facilitate the efficient transmission of electrical power through the line.

Transmission line hardware includes Guy grip, silicon insulator, stay insulator, tension clamp, suspension clamp, ball socket, fuse link, and so on.