The construction of snow ice melting cable is similar to resistance heating cable. The difference in construction is Snowmelt cable has an addition stainless braid out of over jacket. Consequent the mechanical strength is improved and can be widely used under road and bridge. It uses new alloy material as heating element. It is widely used for frozen-prevention and snow-prevention of airport driveway and bridge. It can also be used as warming equipment in cinema and auditorium.