1. the explosion-proof socket device is composed ofsocket and plug; 2. the socket is made up of al-alloy diecasted shell and insidemounted 100a breaker possessing the guarding function againstoverload and short; 3. the plug device is e with mechanical interlock andelectric interlock, safe and reliable, before insert the plug, theswitch is off position, the handle can not be operated, afterinsert the plug, the handle can be operated to on position and theplug can not be pulled out; 4. steelpipe and cable wiring.