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Smith Brothers Heat And Air

General Electrical Discussion

03/23/2017 08:23:01 AM

3 wire feeder

I've got a customer who is selling his house. He had his home inspection. One of the things noted was a 3 wire feeder to a small sub panel for his furnace. This panel now has 5-6 breakers feeding lights, a waterfall pump with a timer, etc. It is fed from a 200amp sub panel that is fed with 4 wires with the grounds and neutrals separated. Obviously it is a code violation however when I explained to him the fix (cutting, patching, drilling) he decided to put it off for the new home owners. What are the potential hazards of this set-up if any?


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