Ground fault [RE-wrenches]

[matthew tritt]

Wm,

I said it badly. I was referring to off-grid systems installed before the
GFI requirement came along.
By the way, your in-depth examination of problems always livens things up.
Keep it up!

Matt
----- Original Message -----
From: "William Miller" <wrmiller at slonet.org>
To: <RE-wrenches at topica.com>
Sent: Friday, November 15, 2002 11:12 PM
Subject: Re: Ground fault [RE-wrenches]


> Matt:
>
> You've never installed a PV array on the roof of a house or (installed a
> battery less grid tie inverter)?
>
> 690.5 Ground-Fault Protection.
> Roof-mounted dc photovoltaic arrays located on dwellings shall be
> provided with dc ground-fault protection to reduce fire hazards.
>
>
>
> William
>
>
> At 05:37 PM 11/15/02 -0800, you wrote:
> >Christopher,
> >
> >Your comments suggest that nothing will prevent some problems from
> occurring, if GFIs and fusing aren't able to provide protection. In over
20
> years of installing battery-based power systems, I've never installed a GF
> protection device at the PV or battery primary wiring, seen one installed
> by anyone else, or seen any damage as a result of not installing one. Not
> to say it isn't possible (as evidenced by William Millers problem system)
> but for this occurrence to trigger mass installations of ground fault
> protectors, which are problematic in themselves, seems a little on the
> reactionary side, nes pas?
> >
> >If this issue is so all-fired important, why not include ground fault
> protection in and for ALL DC control and conversion devices as standard,
> from the factory? Hmmmmm?---
>
> __________________________________________________________________
> William Miller
> Miller Power and Communications
> PO Box 50, Santa Margarita, CA 93453
> Voice :805-438-5600 Fax: 805-438-4607 VMail: 805-546-4875
> email: wrmiller at slonet.org
> http://millerpowerandcomm.com
> License No. C-10-773985
> _____________________________________________________________
> Compatibility:
> Word processor: WP7
> Spreadsheet: Quatro Pro 7
> CAD: Microstation 95, DXF, Visio 4.1T
> _____________________________________________________________
> "Every decent man is ashamed of the government he lives under."
>                                     H. L. Mencken
> __________________________________________________________________
>
> - - - -
> To send a message: RE-wrenches at topica.com
>
> Archive of previous messages: http://www.topica.com/lists/RE-wrenches/
>
> List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm
>
> Check out participant bios: www.mrsharkey.com/wrenches/index.html
>
> Hosted by Home Power magazine
>
> Moderator: michael.welch at homepower.com
>
>

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com

==^================================================================
This email was sent to: michael.welch at homepower.com

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

T O P I C A -- Register now to manage your mail!
http://www.topica.com/partner/tag02/register
==^================================================================