I got these from a street light that fell over and am wondering if I can make a welder with them. I'm not sure if they are 220 or what anybody know if and how I could wire them up? Thanks!
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Got some huge transformers! Will they work?
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Light Ballast transformers are very custom application devices
Find the manufacturer's name and part number if possible and look it up. But.. I would suspect those are high pressure sodium light ballasts...
Here is a link to such a device ... picked one of the larger ones at 1 kw... secondary open circuit voltage .. 435 volts.. secondary current 7 amp category...
typical spec...
Very dangerous output voltages and not enough current capability..
Suggest you sell the copper and put that return toward a proper welder.. Also I can see impact damage to some of the windings...Last edited by dandeman; 03-23-2015, 09:11 AM.Hobby Welder for about 32 years
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never thought I'd be more inclined to view a 120v welder/trailer thread until now.Ed Conley
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Transformers = Bad Idea
In the interest of life safety you should scrap them. Transformers are either step up or step down voltage depending on the windings and configuration. They are design specific. I have a much longer real life story about 480v street lights from when I worked for the power company in Jacksonville, Florida if you want to PM me it was literally a shocking story.
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