... plug and socket,explosion proof plug and socket IP65,IP66 waterproof plug and socket,32A industrial plug and socket,electrical plug ... ,themal stability and corrosion proofing.with interlocks ,only if the switch insidesocket is off,the socket cover can be opened by ... for GB3836-2000,IEC60079, standard request.Technical Parameters: IP65, IP66 waterproof plug and socket