Improve this answer. NM cable outside is wrong, even if in conduit outside. So in the case of an interlock, would the generator have to be rated to supply the whole house, or only the items the user wants to run (which could change at any time)? To start, imagine you're sitting in your house enjoying a nice dinner . 10202999 new software 2022. You will need to use either an interlock kit or a transfer switch. If you do choose to run a generator without a transfer switch, you should only do so if you have experience working with electrical circuits and generators. These kits provide flexibility to users, allowing you to choose which circuits to power with a generator. 3) Turn the circuit breaker of the generator OFF then power on the portable generator by following the procedures stated in . With this plan, you won't have those items to use until traditional electricity is restored. 7 min read 2 Comments,