Gardian W51 120 V preassembled self-regulating heating cables are designed for residential and commercial metal and plastic pipe freeze protection and roof & gutter de-icing applications. Gardian W51 heating cables are available in 6, 12, 24, 50, 75 and 100 foot lengths, and each comes assembled with a 30-inch power cord and plug. Images shown for wire are for illustrative purposes only. Color shade and packaging/spooling may vary.