How to Wire a 230 Volt AC Welder
|By Dave Rongey - Summary:
Setting up the Electric Circuit for a 230 Volt AC Welder: Wiring a 230 Volt Welder Receptacle.
Wiring for a Welder
- I have a Mastercraft 230 AC welder that has adjustable settings.
- I would like to connect the welder to a garage sub panel which is 60 amps and is running from the 100 amp house panel.
- The welder is 230volts ac, 230 primary volts, primary amps 48, arc volts 25.
- The welder has a 3 prong plug. How can I connect this to the sub panel and the 3 prong outlet box that I have.
- I am using Type UF underground cable and the welder will be close to the sub panel when I connect it.
- Mastercraft model # is 110-110.
Thank you kindly,
This Electrical Wiring Question came from: Al, from San Diego, California.
Thanks for your Electrical Wiring Question AL.
Setting up the Electric Circuit for a 230 Volt AC Welder
Application: Electric Circuit for a 230 Volt Welder.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrical Contractor.
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 230 volt welder cord wiring.
The Key to Wiring a 230 Volt Welder is the Specified Receptacle
- Most 230 volt welders come with a cord and receptacle.
- The receptacle and cord are rated for a specified amperage rating and this should be the size of the electrical circuit, which should be indicated in the owners manual.
- The size of the electrical circuit wiring must be withing the rating of the welder cord and plug, or as specified in the manual.
- Most 230 volt welders require two circuits and a ground wire rated as specified.
- The electrical circuit components must be installed according to codes, with a permit and inspected in accordance with the local building authority.
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