Don I am not trying to give you a hard time but I don't understand your position.

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400.8 Uses Not Permitted.

(6)Where installed in raceways, except as otherwise permitted in this Code.

Where is the permission to run the output in raceway or why do you feel 400.8 does not apply

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Well doing it the way you described above seems like you could have a mighty hot conduit (assuming it is ferris) containing that one lead.
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Not if the output of the welder is DC

Now you are just being argumentative. [Linked Image]

For one I said could

It won't heat up if it DC, it won't heat up if the duty cycle is very low, it won't heat up if the welder is left off. [Linked Image]

That aside IMO it would be a poor design choice, you will notice in my original post I did not say it was a code violation.

Gregg
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Interesting point about the heating Bob. My 230a "buzz box" has the leads coming out separate bushings in a metal case I don't think there is a slot cut between them.


Same with mine and any I can remember. [Linked Image]

But manufactures do a lot of things we should not do in the field.

Bob Badger
Construction & Maintenance Electrician
Massachusetts