DO NOT CONNECT THERE!!!!!!!!!!!
Those are all 12V connections, you'll fry stuff you didn't know you had if you put 120V there.
If it's prewired I'd imagine there's a dedicated power cord outlet in the box for the generator, probably looks just like the power cord connection outside.
Now-2014 Sierra 346RETS 5er BUB
Then-2002 Keystone Springdale 286RLDS TT
Nights camped in 2014-28, 2015-127, 2016-10