Well, I use my 003 for a variety of things, so I installed a 30A 3ø 120/208 twist-lock outlet, a 30A 1ø 120/240 twist-lock outlet, and a 30A 1ø edison pigtail, all wired to the lugs on the panel of the genny.
I can also land a set of camlock tails to the lugs if I want to use the full 50A 1ø...