The water lines have frozen under the extension I added to my house even though it was wrapped in insulation. I installed several of these heating wires and rewound all the leads. They are very flexible and easily fit inside and outside corners. I used tape every foot or so to keep everything snug to the copper pipe, then I put the insulation over it. It's been a few years and no more problems. The connector itself has an LED that glows orange when power is present. A second LED would be nice to show us when the cable is really getting hot. Or maybe another way to determine if/when the cable is snapped. But still 5 stars!
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