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Electrical Requirements for Generators and Welders

By Dave Rongey - Summary:

I want to run my welder off a generator, can I put a plug end on the welder wire and plug the welder into my portable generator? How to Wire a Welder and Generator Plug.

Wiring a Welder to a Generator

Electrical Question: I want to run my welder off a generator, can I put a plug end on the welder wire and plug the welder into my portable generator?

My Questions:

  1. Can I put this plug end on this welder wire so I can plug the welder into my portable generator?
  2. How do I connect the three wires from welder to the four screw mounts on plug end? do I match green and white and split the black to X and Y or do I do something else? Again, welder needs 240v.

Thanks so much for the help!

This electrical question came from: Chris, a Student from Elizabeth, New Jersey.
See more about Home Wiring for New Jersey

Dave’s Reply:
Thanks for your electrical question Chris.

How to Wire a Welder and Generator Plug

Application: Generator Cord and Welder Receptacle.
Skill Level: Intermediate to Advanced – Best performed by a Certified Electrician or Electrical Contractor.
Tools Required: Electricians pouch of hand tools.
Estimated Time: Depends on the type and size of the generator output, the specific receptacle, and the available access to the project area.
Important: Installing a generator and welder cord connection must be well thought out for complete compatibility using approved materials and methods that are compliant with all applicable codes.


Generators and Welder Plug Configurations

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2 Responses to “Electrical Requirements for Generators and Welders”
  1. Dave Rongey says:


    I wish my Spanish were better so I could answer your question.


  2. prestigemoly says:

    saludos;tengo una duda con una coneccion de un generador a la casa, quiero sacar un conector hembra L14-30 de la caja de breakers que esta dentro de la casa y cuando vaya a conectar el generador pongo en off el break del contador de corriente,,mi pregunta es si se puede hacer asi o no ,y si se puede hacer la coneccion al plug se haria de 3 o 4 cables ,espero me puedan orientar y un cordial saludo desde PUERTO RICO.