Engineering Specification for Electrical Heat- Tracing ...
3.1. Self-Regulating Heating Cables All heat-tracing systems for use at temperatures up to a continuous exposure (maintain) of 302°F (150°C) and intermittent exposure temperature of 420°F (215°C) shall use a self-regulating heating cable. A) Self-regulating heating cable shall vary its power output relative to the temperature of the surface of
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