The utility model discloses an electric wire netting subregion access structure, including the electronic box, be equipped with the wiring groove on the electronic box, be equipped with the annular onthe wiring inslot wall, annular internal fixation joint has the snap ring, be equipped with two relative openings on the snap ring, and be equipped with portable fixed pin in two openings respectively, the snap ring lies in and is equipped with two relative spring grooves on the rampart, spring groove inner wall movably connected has the stopper, the snap ring inner end is equipped with threadedring, two outside limits of threaded ring are rotated through the hinge respectively and are connected with the dwang, and the one end that threaded ring was kept away from to two dwangs is extended respectively in two openings, the threaded ring internal thread cup joints on calorie spool. The utility model discloses a blocking the power ply -yarn drill between two fixture blocks of calorie spooland dying, run through the snap ring with the threaded ring of threaded connection on calorie spool again, threaded ring two last dwangs are inserted in the opening of snap ring, and fixed through the fixed pin, and power cord and electronic box are connected firmly, avoid producing the power cord and come off.