... color : white or black 1) name:switch box, 2 gang box , 1 gang box,flushing box,surface box,wall box , cable box ,junction box 2) sizes: 3"x3",3"x6 ... construction ,electrical equipment , components12)PVC 2 gang box are used as surface mounting ,control box , switch box or general service box square 3x3 surface box/ cable box/ junction box