Prefabricated charged touchable silicone rubber cable head, fully sealed, fully insulated, maintenance free, and reliable to ensure personal safety; Compact structure, compact and beautiful appearance, stainless steel double-layer box, service life can reach more than 20 years; Without affecting the operation of the main network. Realize regional power outage maintenance and reduce the scope of power outage; One or more SF6 load switches can be equipped. The wiring mode is flexible and diverse, and the branch outgoing line can reach up to eight circuits at most; Optional lightning arresters, short circuit fault indicators, current limiting fuses, etc., to meet various user requirements.