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#193937 - 04/29/10 08:58 AM 480 volt 3 phase hot water heater (for shower use)
Yoopersup Offline

Registered: 03/04/03
Posts: 826
Loc: Michigan
Question came up . Is GFI required.
I;d say No .
Comes under 422

2014 / 2011 NEC & Related Books and Study Guides
#193938 - 04/29/10 04:50 PM Re: 480 volt 3 phase hot water heater (for shower use) [Re: Yoopersup]
HotLine1 Offline


Registered: 04/03/02
Posts: 6792
Loc: Brick, NJ USA

#193940 - 04/29/10 11:16 PM Re: 480 volt 3 phase hot water heater (for shower use) [Re: Yoopersup]
frenchelectrican Offline


Registered: 02/06/03
Posts: 938
Loc: 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.

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


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