On my two popups, folding the sink cabinet down, only disconnected power to the inside lights. Nothing else.
You'll still have power to the fridge so you can run it while traveling, either on propane or 12v DC.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity