Electric Circuit for an Arc Welder
By Dave Rongey - Summary:
How do I connect the wiring for a 220volt Arc Welder? How to Wire an Arc Welder with a Dedicated Circuit and the Wiring Requirements.
Arc Welder Electric Circuit Requirements
- I’m attempting to hook up this 220 line in my Garage for a new Arc welder I purchased.
- I’m just a little confused on hooking up the circuit because I don’t fully understand the Neutral wire.
- It was my understanding that you just need two “hot” wires and the ground wire to make a 220 functional.
- I was also confused because the breaker box on the side of my house has no bar for neutral wires, only one terminal bar for the ground wires.
If you can clarify for me it would be very helpful.
This electrical question came from: Brad, from Orem, Utah.
Thanks for your electrical question Brad.
How to Wire an Arc Welder with a Dedicated Circuit
Application: Electric Circuit for a 220 Volt Welder.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrical Contractor or Certified Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and the available access to the welder circuit and electrical connection box.
Precaution: Identify the welder circuit, turn it OFF and Tag it with a Note before working with the 220 volt welder cord wiring.
Notice: When installing an additional 220 volt oven circuit the work should be done according to local and national electrical codes with a permit and be inspected.
Arc Welder Circuit Wiring
- A typical arc welder requires a 220 volt circuit and does not require a dedicated neutral wire but does require a ground wire as always.
- The size or amperage of the circuit will depend on the size and specifications of the exact arc welder that you are providing a circuit for.
- If the panel that you are referring to is the main electrical service panel then the neutral and the ground wires are connected at the same terminal strip or bus.
- Please consult the specifications in the owners manual that came with your arc welder for the specific required circuit size.
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