November 2018
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Prepping Power Whips for Installation
"Thermoplastic insulation may stiffen at temperatures lower than -10°C (+14° F). NEC 402.3" Wire manufacturers recommend exercising caution when unspooling wire in freezing temperatures. Because copper wire memory is more prevalent in colder temperatures, installing cables when the temperature is too cold can damage the conductors PVC jacket during installation. Following are a few thoughts on preparing branch circuit power...