Interlock, manual transfer switch or automatic: which one?
Connecting a generator to your house wiring needs transfer equipment so it can never feed the utility lines. This helper narrows the choice to the option that fits your panel and plans. It gives no prices; get at least two quotes.
Basis
2023 NEC 702.5 requires transfer equipment that prevents interconnection with the utility; 702.4 requires the system to carry the connected load, with load management allowed; 702.12 covers inlets and disconnects for outdoor generator sets; 702.7 requires signs. Clause details change between editions and local amendments apply, so confirm with your inspector. This is a decision aid, not a design.
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