A Locomotive Cable Isn't A Type Of Portable Cord
Now comes the fun part, pulling in the Power wire. Most from the large units require 50 Amps of 240 Volt power. To deliver that help you in making need #6 THHN stranded copper range. You will need four (4) pieces per of two runs. In the main panel to GFCI then GFCI to hot tub. Be very careful to mea...