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Heat Tracing Questions

Nick Parker
1. Why the heat tracing cables draw more current during starting at start up temperature?

2. How self regulated tracing cables are inherently safe and can be used in hazardous area?

3. How the Maximum circuit length is determined according to the breaker type? What is the equation used here? (see the picture below)
e67a1e17174e1cfe703103d0d31160e2-huge-maximum-circuit-lenght.png
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    Here is a fleabay supplier of cheap self regulating heating tape, if anyone wishes to buy some and then observe the input current at different voltages and at different temperatures.

    fleabay link
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    Here is a fleabay supplier of cheap self regulating heating tape, if anyone wishes to buy some and then observe the input current at different voltages and at different temperatures.

    fleabay link
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