RV wiring basics - Page 3 - Fiberglass RV


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Old 04-15-2013, 11:28 PM   #29
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Originally Posted by Spanke View Post
Lucas car electronics. AAAHHHHHHHHHHHHH!!!! Been there done that!

Spanke
LOL brings back memories. Had a sports car with lucas wiring.... 22 wires under the seat just for the seat belt buzzer.
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Old 04-16-2013, 04:23 AM   #30
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If I didn't know better, I would say you owned a car with Lucas electronics.
LOL! I wonder if Lucas designed the wiring for Fiat. I used to be a big fan of Fiat 124 spiders, had 10 of them. I liked them because I could pick them up cheap. The reason they were cheap is because no one could figure out the wiring. I practically learned to "read" Italian figuring out those damn wiring diagrams.
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Old 04-16-2013, 09:10 AM   #31
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LOL! I wonder if Lucas designed the wiring for Fiat. )
Pretty sure they were Lucas!

I know the Triumph was for sure. Turn right the horn would honk and turn left a little bit of smoke would come out of the steering column. The car also needed to be gentle rocked from side to side sometimes before it would start - due to a wiring issue with the alternator. Also had to disconnect the seat belt buzzer - if it was plugged in you could smell something burning. That was a brand new car - dealer was at a loss to fix it all.

Took it to a local electrical shop and they sorted it out - as it turned out the only party in town who was able to sort it all out later went to jail as he was the person found responsible for having built all the Air India bombs Was shocked as he had spent a lot of time on various occasions working on my car - he even worked on it on week-end evenings for me at his home as I needed the car to get to school and he charged me very little to fix it as I was a poor student at the time and working to try and make car payments on what was a brand new car I had purchased due to the long drive I need to take to school. I thought a needed a new car for reliable transportation. I would never have guessed he could do anything like that. About a 2 years after he had sorted it all out I got a re call letter from Triumph advising me that I needed to take my car to a dealer as due to wiring issues it was a fire hazard. LOL Seriously! LOL Did I mention it also went through 3 transmission in a year (first one went while driving it home for the first time & it took six weeks to get a transmission sent from the UK for it and no loaner car given to me from the dealer while we waited for it to arrive) apparently the bolt holes for holding the transmission where misaligned.
But I loved driving that little car!
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Old 04-16-2013, 09:27 AM   #32
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Loved my Triumph TR3-but never went anywhere without my toolbox and enough wire to splice where ever I needed to. Went for a week with a taillight that wouldn't turn off.
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Old 08-31-2013, 02:42 AM   #33
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I've always understood that 12v must be stranded wire as the electrons only travel on the outside of the wire and stranded wire offers more surface area for them to travel.
I read that because everything touches everything, stranded wire acts as a single conductor and those silly electrons insist on travelling on the surface of "the whole".
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Old 09-01-2013, 06:28 PM   #34
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I read that because everything touches everything, stranded wire acts as a single conductor...
Yes, but it doesn't matter.
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... those silly electrons insist on travelling on the surface of "the whole".
No, this was covered months ago in post #17.
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Old 09-15-2013, 07:04 PM   #35
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I've always understood that 12v must be stranded wire as the electrons only travel on the outside of the wire and stranded wire offers more surface area for them to travel.
For DC think you are right on that one
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Old 09-15-2013, 07:30 PM   #36
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For DC think you are right on that one

I call MYTH on that one.

The reason for stranded wire is wire movement. Stranded will withstand a lot more movement than solid wire will. AC DC makes no difference.
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Old 09-15-2013, 07:34 PM   #37
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For DC think you are right on that one
12 VDC wiring does NOT require stranded conductors . Stranded wire is used in areas requiring flexibility and it enables one person to pull long runs of wire without assistance . Brian B-P is correct skin effect is not an issue with low voltage ,small amperage DC circuits . For years all DC Fire Alarm Systems were required to use "solid copper conductors", stranded wire was illegal in that application. Conductor size ,load ampacity ,conductor flexibility, type of insulation ,proper wire termination., protection from physical damage , ambient temperature, wet or damp locations, color coding , polarity and proper overcurrent protection are some of the concerns in installing DC wiring . If you plan on using crimp terminals ( fork stakons , crimp butt splices , ring terminals ,slide terminals) be aware that many crimp terminals are not approved for use with solid wire
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Old 09-15-2013, 07:47 PM   #38
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Do the electrons travel? I thought they just got excited.

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Old 09-15-2013, 08:26 PM   #39
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For DC think you are right on that one
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No, this was covered months ago in post #17.
Was post #17 not clear on this?
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Old 07-31-2014, 03:46 PM   #40
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Thank you for the video...

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Originally Posted by cpaharley2008 View Post
It's a very instructive video.
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Old 04-19-2015, 11:14 AM   #41
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Also, electricity travels in the outside skin of the wire. Strand wire helps to reduce the conductor size slightly. The main reason is stranded wire is much more flexible. These item truly only matter when installing large cable such as 500 MCM. For smaller cable sizes the effect is minimal.


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Old 04-19-2015, 11:45 AM   #42
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Only the flexibility is something that we here would care about. All fixed wiring in the trailers can be solid with no detrimental effect. Look up "skin effect" or click here:
Skin effect - Wikipedia, the free encyclopedia
At 60 Hz it matters only on wiring that you find on the huge Hydro (as you people call it up north) lines. And when you need bigger yet, they go DC.
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