ClipArt ETC
This image is of a strain insulator and turnbuckle which is used for trolley wire. A strain insulator is able to withstand the tension of the wire. This device helps support the trolley wire. A turnbuckle adjusts the tension accordingly. A turnbuckle is often used for corners of a wresting arena.

Trolley Support

This image is of a strain insulator and turnbuckle which is used for trolley wire. A strain insulator…