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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Wed 19, 2019 6:00 pm 
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Joined: Jul Fri 18, 2014 2:03 am
Posts: 298
Location: Springdale, Arkansas
Yeah, it's been like that for many years without a doubt and will be just the same for many, many more to come.

Thank you all very much for your replies!!


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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Wed 19, 2019 10:10 pm 
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Joined: Dec Tue 23, 2014 6:51 pm
Posts: 1252
Location: N. Palm Bch, Fl.
Steve didn’t come out and say that crumbling wires should be replaced, but he kind of implied it with his pictures. Did you notice that he also did not badger those who believe it is fine to leave them in. Difference of opinion is good. If you keep an open mind, you just might learn something.

Like your signature statement at the bottom.
Freeman


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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Wed 19, 2019 11:05 pm 
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Joined: Jul Sat 28, 2012 9:32 pm
Posts: 233
I remember a Crosley console Radio phonograph I worked on about 20 years ago with that notorious Crosley wiring. I opted to leave it be. So I recapped it some, tuned it up and played it a few hours. Till the power transformer burned up that night. Rewire it.


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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Thu 20, 2019 12:20 am 
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Joined: Jun Wed 08, 2011 2:33 am
Posts: 8735
Location: Ohio 45177
Hey if we are talking car analogies, how about, if you find an old vintage classic car in a barn, do you see if it can run and then drive it around as found? If it has decades old brake lines that are known to corrode and may blow out eventually, do you just drive it carefully and not stomp on the brakes and hope you can always stop? Tires look a bit weary? Lot of those wires are laying against or in contact with the chassis, or pass thru holes in the chassis. They are not all floating out in mid air where nothing will ever touch them. But I assume you would consider that when judging whether or not to do anything with a particular wire. Guess it is judgement and a careful examination versus us guessing but caution is advised.

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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Thu 20, 2019 3:59 am 
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Joined: May Sun 13, 2012 8:12 pm
Posts: 12158
Location: Central PA 16801
Freeman wrote:
Steve didn’t come out and say that crumbling wires should be replaced, but he kind of implied it with his pictures. Did you notice that he also did not badger those who believe it is fine to leave them in. Difference of opinion is good. If you keep an open mind, you just might learn something.

Like your signature statement at the bottom.
Freeman


thank you on all that.

steve

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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Thu 20, 2019 4:05 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 23699
Location: Haledon, NJ, usa
I have used Elmers white glue and run a bead or drizzle some along the entire cracked rubber length. It will form itself in a thin coating around the wire. When it dries, it's clear and it will hold what rubber is still there in place.

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To be a man, Be a non-conformist, Nothing's sacred as the integrity of your own mind.
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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Thu 20, 2019 10:23 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 9868
Location: alameda,CA
Most of the time I will leave the stuff alone. That said, it pays to know what wire is doing what. If you have, for example, a radio with crappy old wiring and if you see any of the high tension or otherwise wires that are doing more of the high current type work that has damage, I will tend to replace it. Unless you intentionally disturb the old insulation nothing is going to happen. That said it all depends on you.


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 Post subject: Re: Rubber Wiring (A little advice please)
PostPosted: Jun Fri 21, 2019 4:34 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1895
Location: Monroe, NC 28112 USA
Look on eBay for " UL-3135 wire " It will bring up a high flexibility wire with silicone rubber insulation.... It is available in black and other colors.

I say if the old brittle insulation is still in place, leave it alone.... The only exception is that on the top side of the chassis, etc. The flexible rubber covered wires to grid caps are likely to be crumbled away.... Ditto for loop antenna wiring, etc. That is where the UL-3135 wire can make a dandy replacement that will look just like the old stuff after you buff off the printing with a bit of 400 grit sandpaper. One vendor will sell you 30 meter lengths. Just be sure you match wire O.D. NOT wire gauge. You may have to go up or down one wire gauge to match wire O.D.

I'm using it to recreate really accurate appearance battery cables for 20s vintage sets...

As far as I can tell, they don't have solid wire with the same insulation.... But I have actually stripped short lengths of the insulation and then pushed it over solid buss wire. (Where there is a will, there is a way...)

Robert


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