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#193937 - 04/29/10 11:58 AM 480 volt 3 phase hot water heater (for shower use)  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 822
Michigan
Question came up . Is GFI required.
I;d say No .
Comes under 422


2017 / 2014 NEC & Related Books and Study Guides

#193938 - 04/29/10 07:50 PM Re: 480 volt 3 phase hot water heater (for shower use) [Re: Yoopersup]  
HotLine1  Offline


Member
Joined: Apr 2002
Posts: 6,808
Brick, NJ USA
Agree.


John

#193940 - 04/30/10 02:16 AM Re: 480 volt 3 phase hot water heater (for shower use) [Re: Yoopersup]  
frenchelectrican  Offline
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Joined: Feb 2003
Posts: 939
Wi/ Paris France { France for ...
No you do not need RCD { GFCI } with triphase waterheater unless the manufacter specifed in the installment manual or cut sheet.

Merci,Marc


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



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