A house owner he want to put SR heat trace in rain gutters and downspouts for winterization, he has a single house and 4 gutters/downspouts at each side, only one outlet at outside wall and one plug for plug in truck. 7 Q4 O# F& r. Z% G, i7 y" y( C$ o- m: H6 k3 J0 I
what is best connection?
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发表于 2015-2-1 21:35
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