10 2 Wire To Subpanel. Then connect the ground wire to the ground bus bar tighten the screw to secure it and connect the other end of the wire to the neutral bus bar in the subpanel. How to install a 100 amp sub pane. Your installation will depend on local electrical codes.
Grounds and neutrals in electrical panel. I would like to have power to the boathouse. This will cut the amperage and the voltage drop allowing for smaller wire running a 70 amp 120 service would still require a panel so it would be best to go with 2 legs. A bus bar is a metal strip or bar used to connect wires to power the panels.
How to install a subpanel.
How to wire an electrical sub panel in a detached garage. Your installation will depend on local electrical codes. Currently there is a 12 guage 2 wire black white ground running to the boathouse. I plan to separate the ground and neutral wires in the sub panel. I have installed a sub panel with two 20 amp circuits in a small cabin at deer camp.