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Three Phase GFCI #52733 06/03/05 09:35 PM
Joined: Oct 2000
Posts: 2,749
Joe Tedesco Offline OP
Member


Joe Tedesco, NEC Consultant
Work Gear for Electricians and the Trades
Re: Three Phase GFCI #52734 06/04/05 07:15 AM
Joined: Aug 2003
Posts: 1,374
R
Ryan_J Offline
Moderator
Joe, I am assuming you were searching this on my account after our conversation last night. Thank you very much,
Ryan


Ryan Jackson,
Salt Lake City
Re: Three Phase GFCI #52735 06/04/05 03:58 PM
Joined: Jan 2003
Posts: 1,429
L
LK Offline
Member
Ryan,

Looks like the GFCI, would cost a little more then the waterfall.
Great story, good read.

Re: Three Phase GFCI #52736 06/04/05 04:06 PM
Joined: Oct 2000
Posts: 2,749
Joe Tedesco Offline OP
Member
Ryan

No problem, glad to help.

JT


Joe Tedesco, NEC Consultant
Re: Three Phase GFCI #52737 06/04/05 04:26 PM
Joined: Jan 2003
Posts: 1,429
L
LK Offline
Member
Joe,

Thank you, UL Spa info helps, me understand how, the inspector looked at the job.

Les

Re: Three Phase GFCI #52738 06/06/05 12:30 PM
Joined: Mar 2004
Posts: 391
B
BigJohn Offline
Member
It's a 1,200 amp, 3phase GFCI that's designed for "personnel protection"? Does that mean that it has 5mA trip level, I thought that was impossible. And if it doesn't, how is it still for personell protection...? [Linked Image]

-John

Re: Three Phase GFCI #52739 06/07/05 02:46 AM
Joined: Sep 2002
Posts: 1,497
C
C-H Offline
Member
Cool story.

Bender makes some rather unusual GFI units, including ones for DC and high frequency AC. No doubt they can make such a thing as a 5mA 1200A GFI.

We use one model to detect faults on 1000 Hz systems. It is configured for the European level of personell protection, 30 mA, but I don't think there is anything to prevent it being made for the American 5 mA level instead. The unit comes with a separate "donut" and doesn't have a rated current, only a maximum fault current. (14 kA if memory serves me)

[This message has been edited by C-H (edited 06-07-2005).]


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