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01-22-2006, 12:00 AM
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#1
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2 Rivet Member 
Join Date: Feb 2004
Posts: 28
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Proper gauge of wire?
The 2 way Black and White wire that, goes from Trailer Umbilical to rear of trailer to Batts. The black insulation is brittle and a new splice wont work, being that the brittleness goes back to far. I replaced the tongue umbilical, Breaker, and common sense says ,Fix all! Any info would be great! Thankyou in advance! Jeff
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01-22-2006, 12:13 AM
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#2
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3 Rivet Member 
Commercial Member
1950 25' Cruiser
Currently Looking...
Currently Looking...
Lebanon
, Ohio
Join Date: May 2004
Posts: 238
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Wire size
Use #10 gauge stranded copper THHN or THW or THWN you can find at Home Depot or Lowes......
Run new wiring all the way back.... don't splice
If you run the wiring under the belly pan and exposed, go to an r.v. supply house for special two conductor jacketed cable...
Good luck!
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01-22-2006, 07:42 AM
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#3
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Retired Moderator
1992 29' Excella
madison
, Wisconsin
Join Date: Aug 2002
Posts: 4,644
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jeff
since it is your charge line you may want to keep your voltage drop ro a minumum.
this chart may help in your choice of wire.
http://www.poweriseverything.com/imp...20Drop%20Chart
john
__________________
you call them ferrets, i call them weasels.
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01-22-2006, 07:50 AM
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#4
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Rivet Master 
1967 22' Safari
1960 Caravel
Edmonds
, Washington
Join Date: Aug 2004
Posts: 2,499
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Thanks John, I'm in the middle of rewiring the 18-footer (Boris) and needed a chart like this. LP
__________________
Lee
1973 F-250 4X4 390
1965 Chevy Suburban 454
AIR 6030
WBCCI 4258
TCT
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01-22-2006, 07:57 AM
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#5
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Retired Moderator
1992 29' Excella
madison
, Wisconsin
Join Date: Aug 2002
Posts: 4,644
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lee
if you read carefully on that chart you can use 5% voltage drop for lighting.
it will save you a couple of bucks on wire.
john
__________________
you call them ferrets, i call them weasels.
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01-22-2006, 08:04 AM
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#6
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Retired Moderator
1992 29' Excella
madison
, Wisconsin
Join Date: Aug 2002
Posts: 4,644
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duh
on edit, just use the 2% table, the other one is for 120 volt.
john
__________________
you call them ferrets, i call them weasels.
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01-22-2006, 08:06 AM
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#7
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Rivet Master 
1993 21' Sovereign
Colfax
, North Carolina
Join Date: Jun 2003
Posts: 21,254
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If you're really really good at it, and real lucky, you CAN tie the new wire to the old, and pull it through without taking anything else apart.
__________________
Terry
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01-22-2006, 08:36 AM
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#8
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Rivet Master 
1967 22' Safari
1960 Caravel
Edmonds
, Washington
Join Date: Aug 2004
Posts: 2,499
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duh
on edit, just use the 2% table, the other one is for 120 volt.
john[/quote]
Thanks, I knew what you getting at. lol
__________________
Lee
1973 F-250 4X4 390
1965 Chevy Suburban 454
AIR 6030
WBCCI 4258
TCT
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01-22-2006, 11:20 PM
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#9
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2 Rivet Member 
Join Date: Feb 2004
Posts: 28
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Thank you!
I was thinking of using a wire mesh gripper, to hold the new cable and use the old as a guide. But are there any cable clamps holding the cable from moving around, if so , I dont want to take on removing the belly, but I also understand that running it on the outside would look sloppy! Thank you again for the quick responses. Jeff
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