Cheap Power Backup

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Originally Posted by Delphinus

It depends on how you're running the generator, but, say, if your house is cutoff from power, you can use a generator to power your household outlets (e.g., fridge, etc.). The only problem with that is you need to be isolated from your upstream electrical provider (ie., have your main breaker off).

Device to transfer load and isolate is done through a 'transfer switch' (common search-able term), can be manual or automated (no need to touch breakers). A automated transfer switch is not beyond the DIY (though thinking my wife would probably be concerned if I said "look what I did").