| [GMCnet] Restoration. 110 volt wiring. Wire size/load. [message #293270] |
Fri, 01 January 2016 10:19  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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I've been surprised about the wire sizes that Coachman used in this 78 Royale. ( A review for those that aren't aware of wire sizes. And the load that a wire size can carry. Gauge size wire is based on how many wire thicknesses it takes to make one inch. #10 wire will carry a 30 amp load. #12= 20 amps, #14= 15 amps of maximum loads. These loads are based only for 110 volts AC current. ) The roof A/C units run at under 15 amps. ( more at startup. But that's under 20 amps. ) Coachman used #10 wire to each roof A/C unit. I expected #14 to be used everywhere else. But it's all #12. Coachman did a very nice job with size, and installation.Bob Dunahugh78 Royale
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| Re: [GMCnet] Restoration. 110 volt wiring. Wire size/load. [message #293272 is a reply to message #293270] |
Fri, 01 January 2016 11:11  |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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At the time these coaches were upfitted, and looking at the length of AC wiring in each, Coachmen probably saved money by usimg a single gauge of wire. Rather than try to figure which wire size went where, they just ran all the same. Given the price of copper at the time, the coast of the larger conductor probably was less than the cost of labor time to sort it out. We the owners win as a result.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Restoration. 110 volt wiring. Wire size/load. [message #293275 is a reply to message #293272] |
Fri, 01 January 2016 12:16 |
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mark grady
Messages: 70
Registered: November 2015
Location: northern Indiana
Karma: 0
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I agree, those were simpler times.
Standardization in the RV industry would have cost less than the training
needed for getting different gauges in different places.
It would have also frustrated the Amish electricians, beyond what they
already were...
Mark Grady
'78 Kingsley
On Friday, January 1, 2016, Johnny Bridges wrote:
> At the time these coaches were upfitted, and looking at the length of AC
> wiring in each, Coachmen probably saved money by usimg a single gauge of
> wire. Rather than try to figure which wire size went where, they just ran
> all the same. Given the price of copper at the time, the coast of the
> larger conductor probably was less than the cost of labor time to sort it
> out. We the owners win as a result.
>
> --johnny
> --
> '76 23' transmode Norris upfit
> Braselton, Ga.
>
> "Sometimes I wonder what tomorrow's gonna bring when I think about my
> dirty life and times" --Warren Zevon
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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'77 + 78 Kingsley
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| Re: [GMCnet] Restoration. 110 volt wiring. Wire size/load. [message #293285 is a reply to message #293275] |
Fri, 01 January 2016 13:20 |
powwerjon
Messages: 849
Registered: March 2013
Karma: -2
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Senior Member |
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It is common practice today and for many years past when wiring houses and commercial buildings to use the yellow jacket 20A wire for all 15 & 20 amp circuits except for 30A which has a orange jacket and 50A which has a black jacket.
J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 Buskirk 30' Stretch
1975 Avion (Under Reconstruction)
Michigan
> On Jan 1, 2016, at 11:16 AM, mark grady wrote:
>
> I agree, those were simpler times.
>
> Standardization in the RV industry would have cost less than the training
> needed for getting different gauges in different places.
>
> It would have also frustrated the Amish electricians, beyond what they
> already were...
>
> Mark Grady
> '78 Kingsley
>
> On Friday, January 1, 2016, Johnny Bridges wrote:
>
>> At the time these coaches were upfitted, and looking at the length of AC
>> wiring in each, Coachmen probably saved money by usimg a single gauge of
>> wire. Rather than try to figure which wire size went where, they just ran
>> all the same. Given the price of copper at the time, the coast of the
>> larger conductor probably was less than the cost of labor time to sort it
>> out. We the owners win as a result.
>>
>> --johnny
>> --
>> '76 23' transmode Norris upfit
>> Braselton, Ga.
>>
>> "Sometimes I wonder what tomorrow's gonna bring when I think about my
>> dirty life and times" --Warren Zevon
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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