| [GMCnet] Newly installed VIAIR 400C compressor [message #306726] |
Thu, 08 September 2016 15:28  |
glwgmc
Messages: 1014
Registered: June 2004
Karma: 10
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Ok, I give! I would still rewire if it was mine, but others are certainly free to do as they wish. I still see too many potential failure points with this set up and no upside to doing it this way except for convenience at the moment. So, off I go into the EE sunset…….(grin)
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
glwork@mac.com
http://jerrywork.com
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Message: 11
Date: Thu, 08 Sep 2016 12:39:53 -0600
From: A.
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Newly installed VIAIR 400C compressor
Message-ID:
Content-Type: text/plain; charset="utf-8"
glwgmc wrote on Thu, 08 September 2016 11:29
> Others will likely chime in here, but you need to rethink your wiring. Electricity will follow the path of least resistance and will not simply
> send 1/3rd of the amps down each of your three small wires. All 19 amps are going to go down one of those three until it burns up. My suggestion
> would be to replace your three 18ga wires with one proper 10ga wire as soon as you can.
>
> Jerry
> Jerry Work
Is that your final answer, or do you want to guess again? You would be right ONLY if there was a BIG difference in the resistance among the wires.
Same gauge, same length, will divide nearly exactly into thirds.
If one wire has half the resistance as the each of the other two, it will still carry only half of the load, and the other two will each carry a
quarter.
My EE degree might be 40 years old, but they haven't redesigned electricity since then.
--
73 23' Sequoia 4 Sale
73 23' CanyonLands Parts Unit 4 Sale
Upper Alabama
"Highest price does not guarantee highest quality.”
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] Newly installed VIAIR 400C compressor [message #306735 is a reply to message #306728] |
Thu, 08 September 2016 17:07  |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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Current carrying capacity is almost totally a function of total cross-sectional area of the conductor(s) carrying the current. As long as that total area is sufficient, the NUMBER of conductors used doesn't matter.
Mac in OKC
(retired electronic tech)
Sent from my iPhone
On Sep 8, 2016, at 16:02, A. wrote:
glwgmc wrote on Thu, 08 September 2016 15:28
> Ok, I give! I would still rewire if it was mine, but others are certainly free to do as they wish. I still see too many potential failure points
> with this set up and no upside to doing it this way except for convenience at the moment. So, off I go into the EE sunset.......(grin)
>
> Jerry
> Jerry Work
> The Dovetail Joint
> Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
>
> glwork@mac.com
> http://jerrywork.com
You are entirely correct that rewiring would be advisable. I was just picking at a nit. Math and physics say three wires can work, and it might be a
way to get home from a thousand miles away, but it is not a good permanent fix.
--
73 23' Sequoia 4 Sale
73 23' CanyonLands Parts Unit 4 Sale
Upper Alabama
"Highest price does not guarantee highest quality."
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| Re: [GMCnet] Newly installed VIAIR 400C compressor [message #306738 is a reply to message #306735] |
Thu, 08 September 2016 17:21 |
A Hamilto
Messages: 4508
Registered: April 2011
Karma: 39
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Senior Member |
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k2gkk wrote on Thu, 08 September 2016 17:07Current carrying capacity is almost totally a function of total cross-sectional area of the conductor(s) carrying the current. As long as that total area is sufficient, the NUMBER of conductors used doesn't matter.
Mac in OKC
(retired electronic tech) Girth is only half of it. The other half is length. Let's see where that takes the discussion.
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