Re: CHOOSING WIRE SIZE AND WELDING

Posted by John T on October 19, 2022 at 12:46:04 from (45.16.200.171):

In Reply to: Re: CHOOSING WIRE SIZE AND WELDING posted by kencombs on October 19, 2022 at 11:05:38:

Thanks for your input Ken, X2 I certainly appreciate it and your information. Like you, I'm NOT here to argue either ONLY HELP AND EDUCATE maybe save a life or prevent a fire.

NOTE I being thoroughly trained and having practiced it for years NEVER argue against adhering to the NEC and never said your or other wiring wasn't in accordance with the NEC according to your particular and very specific use (I never got that deep in the weeds). I explained how to properly size conductors, what all was involved in determining ampacity, why and how smaller conductors can still have adequate ampacity versus much larger ones in different applications,,,,,,,Why if (at least when I practiced but codes change every 3 years) I were to install a 50 Amp Receptacle I would use 50 amp wire NOT 20 amp, and I believe that remains true today even if sure at the same time the NEC may have special exceptions where the load is a welder IE BOTH CAN BE TRUE at the same time IT DEPENDS ON THE APPLICATION. I believe all I posted is still true and believe there can indeed be special exceptions where welders are in use SUBJECT TO DUTY CYCLE and welding current !!!!! Sounds reasonable to me ...

HOWEVER I go one step further even if NOT NEC compliant, I support ones free choice to wire as he please (welder or anything else) in his shop EVEN if its incorrect or unsafe EVEN THOUGH I UNDERSTANDING AND TRAINED IN THE CODE WOULD NEVERRRRRRRRR DO THE SAME. As George and I often post TO EACH THEIR OWN

NOTE I purposely offer no comment not having studied the duty cycle and other special considerations and exceptions concerning welders, and what exceptions to the general rules the code permits, its complicated it would take me some time to study it grrrrrrrrr lol

NOTE Still I would go ahead and wire a 50 amp receptacle to full 50 amp capacity in case I needed to weld at higher current,,,,, or for longer time,,,,,, or to allow a bigger Duty Cycle or needed to upgrade. WHY CONNECT A 50 AMP RECEPTACLE WITH 20 AMP WIRE WHEN 50 AMP ISNT MUCH HARDER OR THAT MUCH MORE EXPENSIVE ?? If wiring a receptacle why not go ahead and provide full ampacity if ever needed ?? Its NOT somnething I would do but still believe each has THEIR own choice if they only use 20 amp wire GO FOR IT even if smaller wire means more voltage drop !!!!!!!!!! Sorry even if the code permits it I would opt for full capacity wiring BUT THATS JUST ME AND IN MY ENGINEERS DNA LOL yall use smaller wire if you like PROVIDED THAT the NEC has welder exceptions that allow it YOUR CHOICE NOT MINE

Looks like we BOTH agree big time to your post when you say........
Not intended to be argumentative at all, just informative. Each and everyone of us should practice code compliant and safe methods.

John T BSEE,JD Its been a pleasure sparky chatting with you. I also intend not to be argumentative just informative, hey if we save a life or prevent a fire God Bless the person or family we help..........I still believe all I posted is accurate, but if not Im never too old to learn

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