Prevent terminal box of building material pollution

The utility model discloses a terminal box is permeated into the problem of thoughtlessly congealing geomaterials easily in solving prior art, provides a prevent terminal box of building material pollution, belongs to electrical equipment technical field. The utility model discloses a terminal box, including box body and lid, the lateral wall of box all be equipped with the several with the connecting pipe of a terminal box body coupling, the connecting pipe with the lateral wall of terminal box junction be equipped with with the round hole that the connecting pipe internal diameter is the same, the inboard junctions of 4 lateral walls are equipped with the card groove, the card inslot be equipped with can dismantle, be used for sheltering from this terminal box of protection card piece ofround hole is durable, and messenger's electric wire that can be smooth during the threading passes through, avoids the jamming phenomenon, draw forth and connect and terminal box integrated into onepiece to external force i