Which way would you go?

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hardworkingstiff

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Wilmington, NC
I want to join a 4/0 code wire to a 4/0 weld wire. T&B suggested using a butt slice (300kcmil code wire rated) with a dieless crimper they make.

I'm considering using a compression lug (T&B 5000 series) properly rated for each wire/cable with a 3/8" hole and bolting the two lugs together. T&B rep said the locomotive industry does it all the time.

I'm soliciting input on which method you think is better and why.

Thanks,
 
I would use a "range taking" 250 kcmil butt splice. I think you can find one that is listed for use with both conductors.
An example would be the Ilsco CTL-250 butt splice shown on this page. It is listed for use with 4/0 welding cable and 1/0 through 250kcmil standard cables when used with the specified too. Other manufacturer's have similar products.
 
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don_resqcapt19 said:
I would use a "range taking" 250 kcmil butt splice. I think you can find one that is listed for use with both conductors.
An example would be the Ilsco CTL-250 butt splice shown on this page. It is listed for use with 4/0 welding cable and 1/0 through 250kcmil standard cables when used with the specified too. Other manufacturer's have similar products.
Click to expand...

This is what the T&B guy was saying, so I guess this is it.

Thanks to both of you that responded.
 
How about a Burndy YSV28-FXB ?
This is an uninsulated copper compression splice, long barrel-belled entry connector for 4/0 AWG code and 4/0 STR (550/24) flex cable.
 
You are using weld wire I am sure because it is flexible? If it is possible you may at sometime need to replace the weld wire you will be better able to do that if your connection uses a bolt. You risk cutting the 4/0 shorter any time you replace the weld wire..
 
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