Fusible Link Wire Question - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

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post #1 of 12 (permalink) Old Dec 28th, 18, 1:56 AM Thread Starter
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Fusible Link Wire Question

I cannot find any 22 ga. fusible link wire. It's not being made anymore. Can I use normal 22 ga. wire to protect 18 ga. wire? I have flame retardant wrapping I can put around it. My knowledge on this is limited so I appreciate any advice. Thanks and Happy New Year to all.

Bill B.
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post #2 of 12 (permalink) Old Dec 28th, 18, 8:36 AM
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Re: Fusible Link Wire Question

DOnt know but still see 14-16 ga links made by Belden Cable avail at the big stores like NAPA.

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post #3 of 12 (permalink) Old Dec 28th, 18, 9:13 AM
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Re: Fusible Link Wire Question

Could you use an inline fuse holder instead of the fusible link.
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post #4 of 12 (permalink) Old Dec 28th, 18, 10:55 AM Thread Starter
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Re: Fusible Link Wire Question

Only link I can't get is 22 Ga. I've called numerous suppliers and they say it's not made anymore and the parts houses carry everything but 22 ga.

I've already installed inline fuses in the areas where I need 22 ga. fusible link so I'm protected so this question is for my information though I might take the fuses out if I know it would be ok.

Bill B.
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post #5 of 12 (permalink) Old Dec 28th, 18, 12:08 PM
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Re: Fusible Link Wire Question

Found a few places where its still available:

https://www.awcwire.com/part.aspx?partname=j156-awg22

Wholesaler but may have connections to a retailer
https://www.whiteproducts.com/fusible-repair.shtml

Summit has 20 gauge fusable links
https://www.summitracing.com/search/...d&N=4294819209

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post #6 of 12 (permalink) Old Dec 28th, 18, 12:18 PM
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Re: Fusible Link Wire Question

You can use a 20ga instead. The difference is 2 amps 5A vs 7A.

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post #7 of 12 (permalink) Old Dec 28th, 18, 12:25 PM Thread Starter
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Re: Fusible Link Wire Question

Quote:
Originally Posted by OO52 View Post
Found a few places where its still available:

https://www.awcwire.com/part.aspx?partname=j156-awg22

Wholesaler but may have connections to a retailer
https://www.whiteproducts.com/fusible-repair.shtml

Summit has 20 gauge fusable links
https://www.summitracing.com/search/...d&N=4294819209
I've contacted all the places you listed. They can't get 22 ga wire anymore.

So, my question still is, can I make 22 ga. fusible link out of ordinary 22 ga. wire if I insulate it correctly?

Bill B.
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post #8 of 12 (permalink) Old Dec 28th, 18, 12:55 PM
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Re: Fusible Link Wire Question

I'm curious, what circuit are you trying to protect?

Is this to keep a restoration exact as it was built?

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post #9 of 12 (permalink) Old Dec 28th, 18, 12:58 PM
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Re: Fusible Link Wire Question

Quote:
Originally Posted by billbonn80 View Post
I've contacted all the places you listed. They can't get 22 ga wire anymore.

So, my question still is, can I make 22 ga. fusible link out of ordinary 22 ga. wire if I insulate it correctly?

Bill B.
Bill,

I bought some bulk fusible link wire a while back to do some testing with and I wonder if you have a short length of let's say 18 gauge fusible link wire, could a few strands of the wire be pulled out to reduce it to a 20 gauge, 22 gauge, or ???.

In other word's let's say the fusible link wire had 15 strands, could let's say 4 strands be pulled out thus reducing the gauge total of the remaining to give it what you need ?. It might involve some math and measuring of the strands.

You got me wondering how tight the strands are to each other and covered in the outside insulator. I may have a project to try this weekend .

Jim
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post #10 of 12 (permalink) Old Dec 28th, 18, 1:33 PM
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Re: Fusible Link Wire Question

As I recall, fuseable link wire is copper. 22 gauge is 22 gauge and will burn open when too much current flows regardless of what the wire is called. I think the difference is that actual fuseable link wire has an insulation that contains or snuffs out any burning within thereby preventing it from burning other things around it.

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post #11 of 12 (permalink) Old Dec 28th, 18, 1:34 PM Thread Starter
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Re: Fusible Link Wire Question

Quote:
Originally Posted by paul bell View Post
I'm curious, what circuit are you trying to protect?

Is this to keep a restoration exact as it was built?
I hope I don't get chastised for posting on this forum for a non Chevelle car. In addition to my 68 Chevelle SS I have a 65 Corvette. It has no over current protection at all so I am adding fusible links exactly as they did starting with the 67 Corvette. Adding fusible links is not original to the car but it is a add on for safety that I think is essential. 2 18 ga. wires that go to the ammeter need fusible links and it is not available. I've already added fuses to those wires but would like, if possible, to install fusible links rather than fuse holders.

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post #12 of 12 (permalink) Old Dec 28th, 18, 3:43 PM
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Re: Fusible Link Wire Question

Take a look at the link below. Good explanation of how the ammeter circuit works and how to protect it.
https://www.chevelles.com/forums/27-...ng-1968-a.html

Ed

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