pvangel, Howdy;
Your top link would be your power center.
It act like the go between for both the ac & dc electric systems.
Basicly, it is your 120vac circut breaker box (like in your home)
when you plug into a campgroung's 30 amp 120vac box.
However, it is internaly connected to an inverter that will distribute
your 12 vdc electric to your 12 vdc lights, outlets (think round cigar lighter
lookin' things),etc. It will also do the job of a Battery charger for
your installed battery, if you are planning on one. It will do the heavy
rapid charge, a trickle charge and do maintence charges.
Here's a link to and install/owner's manual;
http://www.wfcoelectronics.com/Images/P ... s/11-3.pdfMay help answer any other questions... I've probably got your head really screwed-up by now ...
hank
Striving for a less complicated life since 1949 ...
Every day I beat my own previous record for number of consecutive days I've stayed alive.