1)" outlet box " with M4 nut 2)Sizes: 3x6 3 ... 5) good apperance 1) name:switch box, 2 gang box , 1 gang box,flushing box,surface box2) sizes: 3"x3",3 ... of construction ,equipment, component9) PVC 2 gang box, 1 gang box with no smell attracting to rent ,will no ... equipment , components12)PVC 2 gang box are used as surface mounting ,control box , switch box or general service box 2013 perfit pvc outlet box