Installation details [RE-wrenches]

[Foghorn]

   Jeffery, I can't agree with you more! The entire industry would benifit from
more cooperation.
Foghorn

"Jeffery Wolfe, Global Resource Options" wrote:

> Just for the record, I've had licensed electricians change work designed by
> a registered PE, without checking, to a non-conforming installation.
>
> Having a license does NOT guarantee proper, code compliant installation.
> This is because of neglect, decision not to follow to save money, and
> ignorance.
>
> One of the keys is to ask before assuming an install is right or wrong, and
> have open communication with peers, and to learn from mistakes. I don't know
> if anyone else on this list claims to be perfect and all-knowing.
>
> Jeff Wolfe, P.E.
>
> -----Original Message-----
> From: Foghorn [mailto:dcaster1 at earthlink.net]
> Sent: Monday, November 25, 2002 12:06 PM
> To: RE-wrenches at topica.com
> Subject: Re: Installation details [RE-wrenches]
>
>    Failure to study and understand thoroughly the National Electric Code is
> the
> single most disturbing aspect of any electrical installation done by
> unqualified
> personnel. This is why "Union Types" have issues with the PV industry not
> becoming licensed in some manner. NEC article 110.26, Spaces about
> electrical
> equipment, contains a table for working spaces, which states: “Concrete,
> brick,
> or tile walls shall be considered as grounded. Article 250.64 (A) states:
> “Bare
> aluminum or copper-clad aluminum grounding conductors shall not be used
> where in
> direct contact with masonry or the earth or where subject to corrosive
> conditions. Where used outside, aluminum or copper-clad aluminum grounding
> conductors shall not be terminated within 450 mm (18 in.)  of the earth”.
> All
> licensed electricians must know, and understand the NEC fully, in order to
> obtain their license and perform electrical work and are tested on that
> knowledge before the license is issued. With this license comes the legal
> responsibility for any liability that arises. This is why it is advisable to
> at
> least consult with an electrician before arbitrarily changing their work.
>
>   Dennis D. Caster
>
> Tom Simko wrote:
>
> >
> >
> >     Since when is concrete conductive? Photo 6 in the below installation
> > detail shows a footer with a ground wire being filled with concrete. While
> > I'm NOT an electrician, I have been in construction all my life (so far),
> > and was always under the impression bare copper and concrete is a bad
> > combination, something about the calcium chlorate in the concrete eats the
> > copper. I do know that any slab with copper water supply lines coming up
> > through it must have a buffer of some sort, usually a piece of Rubetex or
> > some other pipe insulation. By coincidence I just poured a footing 2 days
> > ago, and the electrician had ran his ground (residential on grid
> residential
> > addition, no alternative energy involved) down my horizontal rebar in the
> > footing, where it would have wound up encapsulated in the concrete. I
> > unwound it from the rebar and laid it in the dirt along the footing form,
> > and later backfilled over it, and mentioned doing so to the Sparky. He
> said
> > the inspector told him to do it that way. Huh? What am I missing here?
> I'll
> > be seeing the electrician tomorrow, back me up here or tell me where I'm
> > wrong!
> >
> > Tom Simko
> > Skyline Solar
> >
> > >> Graham,
> > >>
> > >> I was to be the California installer for World Water, but somehow got
> > >> by-passed for a larger company of some kind. (I assume that's the Locke
> > >> connection?) It's actually all right with me, as they are reportedly
> > >> involved in "stealing" water from a river in Northern California, for
> > >> the
> > >> purpose of selling it to Southern California. I've got problems with
> > >> this.
> > >> (The parent company of World Water is doing this project.
> > >>
> > >> Their system includes, primarily, an inverter and an in-house designed
> > >> pump
> > >> control and inter-face with utility power. The advantage to this system
> > >> is
> > >> that it will run the pump load with PV and/or utility power, and act as
> > >> a
> > >> net metered inter-connection. The advantage with this design is that it
> > >> can
> > >> run pumps when the grid is down. I don't see why a Sunny Island and
> > >> SunnyBoy
> > >> system wouldn't accomplish the same thing.
> > >> John, any thoughts?
> > >>
> > >> These people are very aggressive marketing-wise, and have some very
> > >> powerful
> > >> members on their board. They are very active in the third world in
> > >> developing water sources using solar/utility power. I believe that the
> > >> World
> > >> Bank is somehow involved. Something about all of it concerns me a great
> > >> deal, which is the growing trend to "privatize" water, especially in
> > >> under-developed countries.
> > >> ----- Original Message -----
> > >> From: "Graham Owen" <graham at solarexpert.com>
> > >> To: <RE-wrenches at topica.com>
> > >> Sent: Sunday, November 24, 2002 9:40 AM
> > >> Subject: Installation details [RE-wrenches]
> > >>
> > >>
> > >>> I thought this website link was worth forwarding.  They have many
> pages
> > >>> of photo's and text detailing their PV current project.
> > >>>
> > >>> http://www.worldwater.com/locke/11-19-2002.htm
> > >>>
> > >>> Graham
> > >>>
> > >>>
> > >>>
> > >>>
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> > >>
> > >>
> > >
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