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Electric Welder Circuit Sizes

How to Plan the Electrical Circuit Wiring for Your Welder

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Planning a Circuit for an Electric Welder
[ad#block]Question: I want to run a small inverter welder 120 volt in my home,

Here are the specifications for my welder:

  1. Would 12/2 Romex wire about 25′ suffice, or do I need to use 10/2 Romex?
  2. I have the old screw in fuse box, maybe I can find a line with a thirty amp fuse in it.
  3. Would a 20 amp fuse work?

I understand about other loads which may be connected to it.
Also, about how many amps can those old cloth covered oily wires in old houses running out of the fuse box usually carry ?
Save me having to measure the gauge, the wiring in this house is a nightmare, someday I will rewire it.

This electrical question came from: Mike, a Homeowner from Phila. PA.

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

Planning an Electrical Circuit for Your Welder

Electrical Wiring

Electrical Wire for the Home

Home Electrical Wire
Electrical Wire for the Home
Complete listing of electrical wire types and parts used for home projects
with electrical code information serves as selection guidelines.

For more information about Circuit Wiring
Circuit Wiring
Circuit Wiring
Electrical Circuit Wiring
This article looks at common 120 volt and 240 volt house wiring circuits
and the circuit breakers that are installed
identifying the types and amperage sizes used in most homes.

The following may also be helpful for you:

electrical wiring book

A Complete Guide to Home Electrical Wiring

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Perfect for Homeowners, Students and Electricians
Home Electrical Wiring - Room by Room
120 Volt Circuits
240 Volt Circuits
Multi-Wired Circuits
Wiring Methods for Installing Home Electrical Circuit Wiring
Electrical Codes for Home Electrical Wiring
....and much more.

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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