1.CE,IECEX,UL 2.PTC Material 3.Heat tracing for pipe,tank,vessel etc 4.Flame retardant, water resistance & explosion proof self-regulating heat preservation for pipe Approvals: IECExApplication:Self-regulating heating cable provides a safe, reliable heat for freeze protection of pipes, valves,tanks and other applications. Power output at 10 Celsius degree(W/ft):10, 12,15,18 Voltage:AC220V/AC110V/ ...