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 p2 o& Z3 _0 d6 g! M2 m . p/ c! r+ m5 a% R8 s1 v+ \what is best connection?