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Romex Through Rim Joist

The number 10 bare copper ground wire is shaped in the rear of the generator inlet box and then wrapped around the green ground screw using the included clamp

10/3 Romex though rim joist

Duct Seal used inside where the 10/3 Romex penetrates through the rim joist to prevent air from coming into the basement
Tightly twisted together #8 wires