Industrial and multiphase plugs and sockets provide a connection to the electrical mains rated at higher voltages and currents than household plugs and sockets . They are generally used in polyphase systems, with high currents, or when protection from environmental hazards is required. Specification: Origin: CN(Origin) Certification: CE Model Number: 16A 4 Pin Industrial Socket Voltage: 380v Model number: IP44 Brand : Tense Package includes: 1 x Tense IP44 16Amp 4Pin Industrial Socket