The DFW-12/630-20 cable branch box is a specialized cable tapping equipment for 10kV urban distribution networks, which complies with GB/T11022, GB3906, JB/T10840 national standards, and IEC60298 international standards. It is used for cable line collection, T-shaped branching, cable docking and transfer in 10kV AC 50Hz power systems, replacing the traditional buried method of cable intermediate joints.