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Love Wins
(sh.itjust.works)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules
I mean, generators exist and you usually need a male to male cable to plug into your house
You don't. You need an Interconnect and an "Inlet" port. You could use a male-to-male, but they're illegal and dangerous to the line workers.
The better solution is getting a sparkie to install a male socket (with protective cover) for power inlet if you're anticipating needing a genset on any regular basis. While they're at it get them to also install an isolating switch so you can easily avoid backfeeding power into the grid while keeping the house powered.