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AccuTrace™ Heat Trace - Theory of Operation
How Self-Regulation Works:
AccuTrace™Self-Regulating Heater Cable is a parallel circuit electric heater strip. A specially blended combination of polymer and conductive carbon creates electrical paths between the parallel bus wires at every point along the circuit.

As it warms, the core expands microscopically, increasing resistance to electrical flow and causing the heater to reduce its power output. As surrounding temperature cools, the core contracts microscropically, decreasing the resistance and increasing the heater output. The heater continues this response to temperature throughout the life of the product. The self-regulating effect allows the cable to be overlapped without creating hot spots or burnout.

The AccuTrace™ family of heat trace cables contain a tinned copper braid, covering the inner jacket, with a fluoropolymer overjacket for use in hazardous areas. This cable meets the NEC code 427-22 427-33.

AT-BTXG: Self-Regulating Heater Cable for Temperature Maintenance of Gas Delivery Systems up to 150° (66°C)



AT-UTXG: Self-Regulating Heater Cable for Temperature Maintenance of Gas Delivery Systems up to 250° (151°C)