How To Wire A Generator To A Breaker Box Without A Transfer Switch References. Using a breaker rated for more current could allow the wires to overload and start a fire. Your best and cheapest option is to install a transfer switch such as this:

Tuck the wires neatly out of the way at the edges of the box. Find the green wire from the transfer. At this point, simply pull a single wire from the conduit body and then push all the remaining wires.