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#168936 - 09/20/07 09:17 PM 3 Phase Sharing Neutral
Cinner Offline
Member

Registered: 12/01/04
Posts: 77
Loc: 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 09:36 PM Re: 3 Phase Sharing Neutral [Re: Cinner]
Tesla Offline
Member

Registered: 06/16/04
Posts: 1280
Loc: Sacramento, CA
Not in commercial practice.
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Tesla

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#168938 - 09/20/07 11:33 PM Re: 3 Phase Sharing Neutral [Re: Tesla]
frenchelectrican Offline

Member

Registered: 02/06/03
Posts: 938
Loc: 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?)


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#168942 - 09/21/07 03:17 PM Re: 3 Phase Sharing Neutral [Re: frenchelectrican]
bigrockk Offline
Member

Registered: 01/25/03
Posts: 175
Loc: 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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