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Old 06-12-2017, 10:47 AM   #1
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Default Welding Machine Cord Length

Hey guys,

I'm trying to find a article saying what is the maximum length allowed for a flexible cord of a welding machine 600v 3 phase 36amp.

My guess would be something like the minimum needed to connect it like 15fts
because it's a Mobile Utility equipment

All i can find so far on my canadian electric code is only about sizing and when to use them and nothing about the length.
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Old 06-12-2017, 11:54 AM   #2
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What's the name plate rating? As long as you allow for VD, it could be as long as practical. If you need more reach, get longer leads, or a generator.
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Old 06-12-2017, 12:09 PM   #3
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As long as you calculate voltage drop length shouldn't be an issue, like Joe said.
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Old 06-12-2017, 01:08 PM   #4
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oh ok, in my situation we have alot of fork lift and having a 600v flexible cord across the plant floor is kinda risky everytime we want to do some welding around.

If the electric code dont mention it, it can still be a matter or safety at work

Thanks for the tips !
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Old 06-12-2017, 01:18 PM   #5
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Quote:
Originally Posted by martindag View Post
oh ok, in my situation we have alot of fork lift and having a 600v flexible cord across the plant floor is kinda risky everytime we want to do some welding around.

If the electric code dont mention it, it can still be a matter or safety at work

Thanks for the tips !
Yeah that's entirely separate from electrical code.
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Old 06-12-2017, 03:29 PM   #6
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Bonjour martindag.,,

There is no limit on the distance of the welding primary cord distance at all.

Just sized for the voltage drop and you are good to go..

I would get a cord with yellow or something bright colour so they know they cant run it over with those dammed jeeps ( forklifts ) .,,

There is few cable manufacter can make with yellow jacket type so that may help on that.,,

the last one I end up have black cable but what i did I ran alot of neon yellow bands tapes so they can see it. ( there were few part I put a reflective tape on so when the jeep headlight shine it will show it clear., )
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Old 06-12-2017, 03:52 PM   #7
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Yeah yellow cord would do the job i guess ! or atleast its gonna be alot much better than a black one on a dirty oily black floor

Thanks !
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Old 06-12-2017, 04:10 PM   #8
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Quote:
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Yeah yellow cord would do the job i guess ! or atleast its gonna be alot much better than a black one on a dirty oily black floor

Thanks !
There are provisions in the code for protecting cable !

You can't just run a 'visible' cable along a floor. (debatable as for the location and how long)
If you go with the yellow, it would still need to be SJ. I know southwire makes yellow SJOOW captire.

If you protect it, as others said if you account for voltage drop, you can run it as far as your budget allows
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