Long run for RV service, wiring questions


Old 06-10-19, 07:10 PM
Thread Starter
Join Date: Jun 2019
Location: United States
Posts: 3
Long run for RV service, wiring questions

I am in TX. Looking to get service for RVs.

Power is coming from 200-amp service. There's a pole, a meter, and a big disconnect box outside.


From the disconnect box, two hots and a neutral run underground to the house.

I want service approximately 230' away. 3 x #4 copper & 1 x #8 copper, underground in conduit. At the service point there's a meter,


then a 100-amp panel


Anyway, the 3 copper wires will go on new lugs at the disconnect box. Wondering about the ground, though. As you can see in the 1st pic, there's a bare wire that runs from the neutral bar (?), out the box, and then it splits. One part runs down to the ground (I don't know to what, probably a ground rod as I don't think there's metal plumbing there. The other part of the wire runs up the pole to this:


How would you ground at the RV panel?

Last edited by Stoic J; 06-10-19 at 07:26 PM. Reason: add pics
Sponsored Links
Old 06-10-19, 07:13 PM
PJmax's Avatar
Group Moderator
Join Date: Oct 2012
Location: Northern NJ - USA
Posts: 51,376
Upvotes Received: 206
Welcome to the forums.

Usually in a set up like that...... the disconnect panel is the main panel and should be connected to a ground rod. The panel in the house would be considered a sub panel and require four wires. Two hots, a neutral and a ground.
Stoic J voted this post as helpful.
Old 06-10-19, 07:29 PM
Thread Starter
Join Date: Jun 2019
Location: United States
Posts: 3
Thanks, PJmax. There's a green ground wire running into the new meter, then it continues into the new RV panel. Should it go to the ground bar there? Being a subpanel, no ground rod needed?

Also, at the disconnect, should the green wire go into the neutral mechanical lug?
Old 06-11-19, 03:44 PM
Thread Starter
Join Date: Jun 2019
Location: United States
Posts: 3
At the disconnect box, secure the green wire to the existing neutral/ground?

The sub-meter base has a bonded neutral/ground. How should I separate those?

At the sub-panel, just pop the green wire into the ground bus? No ground rod needed?

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Thread Tools
Search this Thread
Display Modes