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#198400 - 01/20/11 04:44 PM what is ground?
Niko Offline
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Registered: 08/17/06
Posts: 356
Loc: Campbell, CA
Is body of water considered ground?

The floating dwelling units have to ground their system. How about a dwelling unit that is built on a permanently constructed deck that is on the body of water?

How is grounding achieved? confused

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#198401 - 01/20/11 05:26 PM Re: what is ground? [Re: Niko]
Alan Belson Offline
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Registered: 03/23/05
Posts: 1803
Loc: Mayenne N. France
Wave mechanics?
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#198402 - 01/20/11 05:36 PM Re: what is ground? [Re: Alan Belson]
Tesla Offline
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Registered: 06/16/04
Posts: 1273
Loc: Sacramento, CA
The ocean would be considered the perfect ground plane.

The actual electrode would have to be non-corrosive in salt water.

Titanium and Gold...

?
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#198403 - 01/20/11 06:04 PM Re: what is ground? [Re: Niko]
Niko Offline
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Registered: 08/17/06
Posts: 356
Loc: Campbell, CA
How do you attach to the water? How do you install an electrode?

On the comical side, this would be a true floating ground. laugh
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#198404 - 01/20/11 07:22 PM Re: what is ground? [Re: Niko]
LarryC Offline
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Registered: 07/05/04
Posts: 780
Loc: Winchester, NH, US
Does the NEC even apply?
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#198406 - 01/20/11 07:31 PM Re: what is ground? [Re: LarryC]
HotLine1 Offline


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Registered: 04/03/02
Posts: 6776
Loc: Brick, NJ USA
FRom the comment of a 'dwelling unit built on a permanent deck, I would say...yes.

I gave the OP a lot of thought, as to a excersize in humor, or a serious question....& I'm still not sure.

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#198410 - 01/20/11 09:15 PM Re: what is ground? [Re: HotLine1]
Niko Offline
Member
Registered: 08/17/06
Posts: 356
Loc: Campbell, CA
Originally Posted By HotLine1

I gave the OP a lot of thought, as to a excersize in humor, or a serious question....& I'm still not sure.


It is a serious/curious question.

Originally Posted By HotLine1
FRom the comment of a 'dwelling unit built on a permanent deck, I would say...yes.


How would one install a grounding electrode?
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#198412 - 01/20/11 10:15 PM Re: what is ground? [Re: Niko]
PAteenlectrician Offline
Member
Registered: 01/06/11
Posts: 64
Loc: Cressona, Pa, U.S.A. (Schuylki...
Stainless steel pontoons? confused laugh laugh
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#198413 - 01/21/11 01:50 AM Re: what is ground? [Re: PAteenlectrician]
sparkyinak Offline
Member
Registered: 07/08/07
Posts: 1307
Loc: Alaska
I have dealt with a few floating facilities. Answer me this, is the house affixed to the shore and is hired wired from the shore? If so then the grounding is achieved at the main on shore. See NEC 553 for more details.

If it's mobile, then it falls under different rules. NEC may or may not apply. I might be able to assist you with that
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#198416 - 01/21/11 03:26 AM Re: what is ground? [Re: sparkyinak]
Scott35 Offline

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Registered: 10/19/00
Posts: 2707
Loc: Anaheim, CA. USA
Think about the way Ships, Aircraft, or even a Space Station is "Grounded".

What would be referred to as "Ground" in these cases.
(hint: think "Automobile's Ground")

-- Scott
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