Loooong wire run
#1
07-08-20, 09:29 PM
Member
Thread Starter
Loooong wire run
Hopefully I can get some clear answers. I'm going to be setting up a 120v 30Amp receptacle for an RV. The panel is about 400' away. My idea is to use 6awg copper off the panel for 1' butt into 3/0 awg alum direct bury for the long run, then back to 6 awg copper for 1' terminate to my receptacle to maintain 3% or less voltage drop.
Pro's or Con's? Or is this a bad idea? Thanks for any advice
Pro's or Con's? Or is this a bad idea? Thanks for any advice
Last edited by Terry Lape; 07-08-20 at 10:05 PM. Reason: Spelling
Popular Reply
07-09-20, 04:42 AM
2/0 aluminum will be fine. If the source panel is inside your home make sure you purchase aluminum wire that is approved to run inside the structure. Direct bury aluminum wire such as URD is only allowed outside as it's only rated as USE. You will need RHH/RHW/USE multiple rated direct bury to go inside.
#2
07-08-20, 11:14 PM
Group Moderator
Welcome to the forums.
My calculator says 2/0 is needed so 3/0 is even better.
The #6 tails should be ok.
My calculator says 2/0 is needed so 3/0 is even better.
The #6 tails should be ok.
Terry Lape voted this post useful.
#3
07-09-20, 04:42 AM
2/0 aluminum will be fine. If the source panel is inside your home make sure you purchase aluminum wire that is approved to run inside the structure. Direct bury aluminum wire such as URD is only allowed outside as it's only rated as USE. You will need RHH/RHW/USE multiple rated direct bury to go inside.
CasualJoe, Terry Lape voted this post useful.
