The equipment clamp is used to connect the down-lead of the busbar to the outlet terminals of electrical equipment (such as transformers, circuit breakers, transformers, isolating switches, wall bushings, etc.). Nowadays, the outlet terminals of commonly used electrical equipment are copper and aluminum, and the lead-out wires are mostly aluminum stranded wires or steel-cored aluminum stranded wires. Therefore, the equipment clamps are divided into two types: copper equipment clamps and copper-aluminum transition equipment clamps. series.