Breaker Box Wiring in RVs

Alaska Shasta, I agree that the copper grounds and white neutrals should be separate in a trailer. Your box appears to bond the two with the metal plate. I would add a ground bar to the box. It's very easy to screw the bar to the box, probably on the left side.

Here's a similar box:

<a data-flickr-embed="true" href="https://www.flickr.com/photos/53634851@N03/46795849444/in/dateposted-public/" title="006 g Breaker Box (1)"><img src="https://farm8.staticflickr.com/7816/46795849444_ca745f0763.jpg" width="375" height="500" alt="006 g Breaker Box (1)"></a><script async src="//embedr.flickr.com/assets/client-code.js" charset="utf-8"></script>

<a data-flickr-embed="true" href="https://www.flickr.com/photos/53634851@N03/46604137495/in/dateposted-public/" title="006 g Breaker Box (2)"><img src="https://farm8.staticflickr.com/7899/46604137495_e530533670.jpg" width="500" height="375" alt="006 g Breaker Box (2)"></a><script async src="//embedr.flickr.com/assets/client-code.js" charset="utf-8"></script>

You're welcome. Trailers are not wired like houses.. they are different and the grounds and neutrals are always isolated in an RV. That has to do with "hot skin" issues and also will trip GFCI outlets. Wonder how I know that?

NOTE: When an electrician wires your trailer, there's important rules that must be followed in a trailer. Below is info for a residential electrician

1. The grounds and commons are ALWAYS separate in a trailer.

2. Whenever possible, wiring should be run thru cabinets in accessible areas. This runs contrary to what most electricians want to do. The walls are only 3/4" and very vulnerable to damage when wiring is run in the walls. The kitchen wall will need some wiring thru the studs, but a lot can be in the cabinets, under the bed, etc. Another reason to expose the wiring is in case repairs are needed.

3. Across the ceiling is a good way to get from side A to side B. The ceiling cavity is more protected than the walls are.

4. Mount outlet boxes in cabinets, not walls. A sturdy backer is required. DO NOT use RV outlets!!!

Also your feeder wire to your breakers looks like #12. It’s only rated for 20 amps so be sure not to overload it by plugging your trailer into a 30 amp service. Your wire feeding the breakers should be rated for the source it’s coming from. Most camp grounds around here are 30 amp services.

Alaska Shasta,

I run the ground wire up thru a hole in the box (many have a small hole) and attach to the same ground bar. Most ground bars accept wire as large as #4. I usually go with 6 or 8. The box in the photo was a demo for a friend to see how it should be done; the main frame ground is missing.

Thank you Alaska Shasta! Pay attention, people. This is how it's done.

Looks like a proper breaker box you got there.