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Welding Shop

Welding Cable #4


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  #1  
Old 11-15-2017, 11:45:25 AM
circuitman circuitman is offline
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Default Welding Cable #4

just a quick post for yalls opinon on something. bought a 250 ft spool of the above on ebay for $100 + $50 shipping, the only thing about it , it was made in july17,2000. did i get burned or was it a good deal? wire looks fine!
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Old 11-15-2017, 11:52:42 AM
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Troll Troll is offline
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Default Re: welding cable #4

What series of wire? SO, SJ, SOOW? Sunlight breaks down the jacket but only the first layer would be affected in your application and if the wire is new and supple, it's really not something to worry about.

#4 cable won't carry too much welding current very far and that would be my largest concern. I have 1/0, and 2/0 on my machines with the larger being 100' leads on a 250A engine drive machine.
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Old 11-15-2017, 11:55:46 AM
circuitman circuitman is offline
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Default Re: welding cable #4

it's the secondary cable for the stinger & ground , not power!

---------- Post added at 10:55:46 AM ---------- Previous post was at 10:54:11 AM ----------

the welding cable charts say 150 amps i belive , could be wrong. new welders come with #5 & #6.
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Old 11-15-2017, 12:10:35 PM
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Default Re: welding cable #4

Quote:
Originally Posted by circuitman View Post
it's the secondary cable for the stinger & ground , not power!

---------- Post added at 10:55:46 AM ---------- Previous post was at 10:54:11 AM ----------

the welding cable charts say 150 amps i belive , could be wrong. new welders come with #5 & #6.
Yes, I'm aware of your meaning. However if you try to run 125A through a #4 cable through 125' of secondary leads, you stand a good chance of getting things hot, and depending upon the wire jacketing and routing of the cables, could stand a chance of not so favorable results.

Depending upon the task at hand I typically use between 115, and 130 amps running E7018 welding electrode in the field. To get the correct current at the welding "stinger", I need to increase the current output at the power source to compensate for the drop due to the resistance of the welding leads. Higher current coupled with fixed resistance per foot of wire makes for heat and voltage/current drop.

In my opinion only, #4 welding cable is good for about 25ft. but then again that's just my opinion. If using 3/32 or smaller electrodes you will probably get by alright; especially if occasional, or hobby usage only.
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Old 03-11-2018, 10:18:12 PM
csareb csareb is offline
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Default Re: welding cable #4

agreed. 1/0 would be better suited for your needs. #2 will do in a pinch but #4 is asking for trouble beyond 25-30 ft or so.

on the upside #4 welding cable makes great battery cables for most needs, up to about 400 cu/in displacement, (gasoline) so you could always make use of the wire for cable repairs and buy the proper wire for your needs.
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Old 03-11-2018, 10:26:54 PM
circuitman circuitman is offline
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Default Re: Welding Cable #4

i don't go father than 30' from the welder, as matter of a fact a brand new lincoln 225 has smaller leads. it all hinges on duty cycle!
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Old 03-11-2018, 11:21:41 PM
Vanman Vanman is offline
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Default Re: Welding Cable #4

Since long, marginally sized leads will result in lower arc current, you could just turn up the welder a notch. You're just compensating for the extra resistance with more power from the welder to get the same power to the arc. With that #4 laying out in free air, you'd have to have the current cranked way up to actually overheat it.
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Old 03-12-2018, 11:01:35 PM
dkamp dkamp is offline
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Default Re: Welding Cable #4

The best use for #4, is to put quick connectors on one end, and a ground clamp and stinger lead on each of the other... about 10-15' long tops. Use them direct to the supply INSIDE the shop, but when you're going further, use 2/0 extensions from the supply to the workspace, then use the #4's to get into tight spaces and allow easy hand/arm motion. If they get hot, take a break. If you need more current, set 'em aside and pull the thick stuff out.

I wouldn't push 1/4" E7014 with 'em, but I'd certainly tack 3/16" 7018...
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