... and safe operation, high temperature resistace, ModelDescriptienSizeColorCarton quantitySC-002 for pvc double gang box 3"x6"cover3"x6"White/Black1000pcs3" ... for use2)Good insulation charateristic, good insulation property,good fire- resistant,good combustion-resistance3)Not rust occurs like metal pipe4) PVC ... and socket waterproof box , square cover, 3"x3" , pvc material, 1000pcs for export cartons .