Features: No loose wires, tape embrittlement danger, safe and transparent visible. A test hole, measure the voltage without removing tape. The voltage range of the connector is wide, it is very practical in practice. Each contact shrapnel independent, fits different wire diameter, safety shorting. In the use of no tools, anyone can operate, a plug can greatly reduce the wiring work time. It not only solve the inconvenience caused by high-altitude operations, but also solve the technical problems of soft and hard wire connection.