The insulation puncture clamp is mainly composed of reinforced shell, stainless steel puncture needle, sealing pad, waterproof silicone grease, knob, stainless steel bolt and locking plate knob. When the cable needs to be powered, clip the puncture plate into the branch line of the cable. After determining the branch position of the main line, rotate the fixed plated. After locking the plate, rotate the puncture knob to contact the conductor, when the puncture needle pierces the cable and contacts the copper wire, the temperature sensor can be build in, and the performance parameters can be customized.