Originally Posted by mike.t
Is my fridge 12V or 120
Maybe a quick way to tell,,,
A two way (propane/120 volt) most likely has buttons on the front exterior. Something like "auto/propane" and "off/on". I may be wrong but I'd bet that a residential fridge would have its control (thermostat) inside the box.
Do rigs with residential refrigerators still have an exterior hatch? Would be pretty easy to know that it was a residential type (120 volt only) if there wasn't one.