Before removing the heating cable from the packaging, measure and confirm the intended square footage of your heated area. Use the coverage chart on the cable box to determine which cable spacing will yield the desired square footage. Note that consistent spacing between the cable and across the room must be maintained for even heat distribution. If you have too much cable left over, double-check that you have purchased the right cable based on the square footage of the area. If the wrong cable was purchased, contact the distributor to see if a return is possible. Otherwise, install any excess heating cable in buffer zones (such as behind the toilet) or in areas not previously calculated; or, install the cable tighter to the perimeter.
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