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. % p: n Z' X% x3 T2 x2 p . c7 {$ Q% X8 w" B/ d1 V2 V5 b- ^what is best connection?