randynavarro Posted February 7, 2010 Report Share Posted February 7, 2010 I have a 50 amp breaker feeding a sub-panel in the detached garage. The two hot lines are #8 stranded copper, the ground wire is #10 stranded copper, but the neutral wire is only #10 stranded copper. Is the neutral too small? Link to comment Share on other sites More sharing options...
Chad Fabry Posted February 7, 2010 Report Share Posted February 7, 2010 Yes Link to comment Share on other sites More sharing options...
Jim Katen Posted February 7, 2010 Report Share Posted February 7, 2010 I have a 50 amp breaker feeding a sub-panel in the detached garage. The two hot lines are #8 stranded copper, the ground wire is #10 stranded copper, but the neutral wire is only #10 stranded copper. Is the neutral too small? I'm travelling out of state and I have no access to any reference materials. My best memory on this subject is that, at minimum, the feeder's neutral has to be sized to accommodate the largest unbalanced load that it will be asked to carry. So, from that perspective, you'll have to do some calculating to figure out whether or not it's adequately sized. There might be a low end threshold on the size of the feeder in addition. I'd have to look that up. - Jim Katen, Oregon Link to comment Share on other sites More sharing options...
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