Thermon Heat Tracers Pvt. Ltd. Offers Resistance Constant Watt Heating Cable with 750 VAC Operating Voltage. Thermon Heat Tracers Pvt. Ltd is an ISO 9001 accredited company. The Company also manufactures various types of wires and cables. The Resistance Constant Watt Heating Cable with 750 VAC Operating Voltage of TESH ™ Series is used where circuit lengths exceed the limitations of parallel resistance heating cables. The Resistance Constant Watt Heating Cable with 750 VAC Operating Voltage can withstand temperature exposures associated with steam purging. This Cable has Operating Voltage of 750 VAC and Maximum Exposure Temperature of 260 Degree C.