- Type NC constant wattage heater cable is a parallel resistance electric heater strip. A fluoropolymer sheath material is extruded over the two multistranded, nickel-plated, 12-gauge copper bus wires. The nichrome heating element is spirally applied around parallel construction and in contact with the bus wires at specific intervals known as zones.
- Operating principle: The parallel bus wires supply voltage along the entire length of the heater cable. A resistance wire heating element is spirally wrapped around bus wires contacting alternate bus wires at specific intervals forming heating zones.
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