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 k) f5 D) n5 [" q6 [- z 1 S H! B; ] Z+ t: [$ Xwhat is best connection?