... 1.Comply with CE,SGS 2.Made fof PVC,2500V insulation and heat-resistingup tp 85 degrees ... :1.Comply with CE,SGS 2.Made fof PVC,2500V insulation and heat-resistingup tp 85 degrees3.All ... type wiring duct 6.Combustion proof and Durable7.tape for permanent stickCable Ducts :Material : PVC Instruction :made up of duct bottom ... ,any questons , contact me freely . Round type wiring duct (with adhesive tape)