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Newsgroups: sci.electronics.design, sci.electronics.misc, rec.crafts.metalworking
From: bud-- <remove.budn...@isp.com>
Date: Fri, 06 Nov 2009 08:46:28 -0600
Local: Fri, Nov 6 2009 3:46 pm
Subject: Re: Subpanel bonding (3-phase mains) question
jk wrote: Sounds good. An example is a panel fed from a transformer. > Mike Cook <mc...@NOTyahoo.com> wrote: >> Is it never allowed (US National Electrical Code) to bond the ground bus bar >> I opened a subpanel and found that both the ground bus bar and cabinet were >> Is this allowed under any circumstance? >> This is a "Y" 208/120 configuration utilizing 5 conductors in an industrial >> Thanks. > Yes, ther are a number of situations where this is allowed/required If it is a panel fed from another panel, the neutral bar must be isolated. A better newsgroup is probably alt.engineering.electrical. -- You must Sign in before you can post messages.
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