Refrigerator Electrical Diagram - Wiring an Ungrounded, Polarized Outlet. This is an older version of the receptacle outlet in the first diagram. The slots are different sizes to accept polarized plugs, but it lacks a grounding slot.. ElectricianEducation.com Electrical Theory Presented by ElectricianEducation.com Follow links for sources as given. This collection of information about electrical theory is presented based on topics listed in this link rack.. Most RV’s and camper trailers utilize the same types of electrical systems as those used for an average small home. But in addition to the 110 volt electrical supply, there may also be lights, fans, a refrigerator, or other electrical devices which use a 12 volt supply, like that of a car or truck..
In some installations there is a tendency for oil to collect in the evaporator under certain conditions such as low load when the speed of movement and agitation of the evaporating refrigerant are insufficient to keep the oil moving.. Apr 09, 2011 · Re: How do I conect 3 batteries? Sorry guys I forgot to add a little more info for you. I have a 2 way switch and want to add the extra battery for safety but also want to keep it charged up with the alt. it will primarily be used as a back up in case of failure of either one or both of the other ones..