The utility model discloses a special circulation cord rack device of distribution live working earth potential, including bracing piece (4), it is fixed with bracing piece (4) with the top of insulator spindle (7) that insulating bolt pole fastening bolt group (b) is passed through at the middle part of bracing piece (4), insulator spindle (7) be close to bracing piece (4) below and be fixed with pulley (5) through pulley fastening bolt group (c), has worn the circulation of combination formula on pulley (5) and has restricted. The utility model discloses simple structure operates convenient to use, reliable, can effectively guarantee the safe distance of operation personnel and charged body and grounding body, effectively improves electrified starting line simultaneously, transmits the operating efficiency that the multiplexer possesses.