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Old 1/17/19, 5:14 PM
dkostenbader dkostenbader is offline
Certified Professional Inspector (CPI)
 
Join Date: Mar 2010
Location: Nazareth, PA
Posts: 121
Default 3 vs 4 wire feed to garage

I was wondering if anyone could explain the need for a four wire feed to a separate building apart from the house. In the case of the house I looked at today there was a separate garage with a subpanel fed by a three wire overhead feed. The grounds and neutrals were separate. To my knowledge there wasn't any water or gas line going out to the garage. This should be a four wire feed, correct? And wasn't this a relatively recent change to the code?

Thank you as always.





Dan Kostenbader
Solid Rock Home Inspection
Nazareth, PA
www.solidrockinspection.com