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#168936 - 09/20/07 11:17 PM 3 Phase Sharing Neutral  
Cinner  Offline
Member
Joined: Dec 2004
Posts: 78
Kelowna, B.C., Canada
When sharing a neutral with three phases: red, black, and blue do you require a 3 pole breaker tripping the other two phases if one phase trips?



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#168937 - 09/20/07 11:36 PM Re: 3 Phase Sharing Neutral [Re: Cinner]  
Tesla  Offline
Member
Joined: Jun 2004
Posts: 1,273
Sacramento, CA
Not in commercial practice.


Tesla

#168938 - 09/21/07 01:33 AM Re: 3 Phase Sharing Neutral [Re: Tesla]  
frenchelectrican  Offline
Member
Joined: Feb 2003
Posts: 939
Wi/ Paris France { France for ...
right now not need to tied in commercal loacation but there is a change in 08 code cycle it will requried all MWBC have to be use the common tied breaker that go with resdnetneal area as well

merci , marc


Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)


#168942 - 09/21/07 05:17 PM Re: 3 Phase Sharing Neutral [Re: frenchelectrican]  
bigrockk  Offline
Member
Joined: Jan 2003
Posts: 174
Middle of Canada
Cinner,

I see you are from Kelowna, B.C so if you are looking for a rule in the CEC checkout 14-010(b). (19th edition CEC)




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