... good apperenc 1) name:switch box, 2 gang box , 1 gang box,flushing box,surface box,inner box2) ... : 1)No rust occurs like metal pipe ,gang box with no smell attracting rotent ,will no ... of construction ,equipment, component9) PVC 2 gang box, 1 gang box with no smell attracting to rent , ... process of construction ,electrical equipment , components12)PVC 2 gang box are used as surface mounting ,control box ...