[RE-wrenches] Outdoor rated flexible metal cable

Phil Undercuffler solarphil at gmail.com
Mon Aug 2 18:56:33 PDT 2010


Not sure about the conduit, but I can chime in about the location.  NEC
Article 100 defines damp as those locations protected from weather, and give
as examples under a porch or canopy, or some basements.  Wet locations are
those "in unprotected locations exposed to weather."  Those conduit runs are
not in damp locations, they're wet.

A safe assumption in the PV industry is that everything we do is a wet
location, until proven otherwise.

Phil Undercuffler


On Mon, Aug 2, 2010 at 9:36 AM, Peter Parrish <peter.parrish at calsolareng.com
> wrote:

> I recently had the opportunity to visit a City of Los Angeles Remote
> Automated Weather Station (RAWS). See
> http://cdec.water.ca.gov/cgi-progs/queryF?s=mtw&d=now&span=24hours
>
> I noticed that the system was wired using a flexible metal cable (1/2"). It
> had a continuous outer metallic covering that looked to be aluminum. I
> asked
> my host about the cable and he said that he hadn't been involved in the
> installation and didn't know much about conduit/cable/wire. The conditions
> are certainly "damp" i.e. outdoors, but I don't know about "wet". The cable
> runs were completely exposed to the weather.
>
> The cable carried low voltage "data" and "power". I am pretty sure it
> didn't
> carry 120/240Vac, but again my host didn't know.
>
> Does any one know what this cable might be?
>
> If you would like a photo, I could send one off-line.
>
> - Peter
>
>
> Peter T. Parrish, Ph.D., President
> California Solar Engineering, Inc.
> 820 Cynthia Ave., Los Angeles, CA 90065
> CA Lic. 854779, NABCEP Cert. 031806-26
> peter.parrish at calsolareng.com
> Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885
>
>
>
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