> I assume it's considered safe to do, because many RV fridges
> are "two way" fridges, meaning they operate on propane or
> 110V only.  (The Westy's Dometic is a "three way".  A 110-or-
> 12-volt-only fridge is an "AC/DC".  These are described on
> Norcold's site at www.norcold.com - click "Products".)
>
> "Two way" fridges are clearly expected to run on propane when
> the RV is moving

Not necessarily... most, if not all, RVs have built in inverters on board
that supply large quantities of 110 volts.

Bill