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. 4 @/ T* Q1 G4 b! F9 o, Q 8 q" [3 V5 Q$ v0 Mwhat is best connection?