... Tension Clamp Specifications and dimensions: NXJ Series insulation wedge type tension clamp is a kind of anchore clamp in ... , this clamp is equipped with 1KV, 10KV, 20KV plastic inner wedge separately according to the voltage standard. The body is cast ... strength aluminium alloy without waste power;2. The core of wedge is made of insulating reinforce plastics, 1~10KV withstand voltage ...