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. # ^0 q* j$ ^4 Z8 c! A7 f, h * H, j0 E( O5 z# D( [) ^( t( Fwhat is best connection?