[RE-wrenches] Wire management devices

Wed Oct 15 12:29:23 PDT 2014

Thanks Dan, this looks good.  We do mostly small residential system.  
Wonder if it will be considered "likely to be energized". That's another 
bridge. Thanks again.

Chris

On 10/14/2014 3:23 PM, Daniel Young wrote:
> I think the answer also depends on the scale of the project. Are we talking
> a small residential system? Or larger commercial/utility? I'd assume
> smaller, as you would likely just fence in a larger scale system, solving
> the accessibility issue.
>
> For small scale ground mounts, we'll often use the Pro-Solar Ground Trac,
> and simply put a strip of aluminum sheet metal (they sell rolls of it for
> making custom gutters) between certain rails, using a metal break to give it
> 1" wings on the side for attaching to the rails. Then we use a liquid tight
> to get the PV wire from the cavity, and send it to a J-Box/Combiner/Inverter
> on the array. I'm attempting to attach 2 images, hopefully they go through.
> This also has the benefit of making the array look very trim.
>
> With Regards,
>
> Daniel Young,
> NABCEP Certified PV Installation ProfessionalTM: Cert #031508-90
> NABCEP Certified Solar Heating InstallerTM: Cert #SH031409-13
>   
> Lead Systems Designer for:
>
> www.dovetailsolar.com
>
> -----Original Message-----
> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
> Behalf Of Christopher Warfel
> Sent: Tuesday, October 14, 2014 10:02 AM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Wire management devices
>
> Thanks Rob, We have been using Unirac for many years and slow to change
> (since we have so much of it in inventory). I think with the difficulty of
> pv module disconnects now, and good wire management, a barrier is really a
> solution looking for a problem.  I'll take a look.  Thank you again.  Chris
> On 10/13/2014 3:54 PM, RE Ellison wrote:
>> I have mentioned in the past, look into US Solar Mounts, The wire
> management is built in!
>> They have several different styles of mounts and many of them have
>> wire management built into the frames
>>
>>    Custom-built for each install so you tell him what you're using and
>> what you need and they will tell you what will work best
>>
>> Another product that's made in the USA!
>> Bob Ellison
>>
>>
>> Bob Ellison
>>
>>> On Oct 13, 2014, at 1:34 PM, Christopher Warfel
> <cwarfel at entech-engineering.com> wrote:
>>> I am well aware of all the possibilities of danger in many aspects of
> life.  This is not a main one in my opinion, and given that there are no
> good solutions indicates to me that it is mostly an unsolvable problem
> unless you wish to be impractical.  All I asked for were products that could
> provide a solution. .  I have inspected in several states with solar
> programs that will not enforce securing electrical enclosures in living
> spaces that have access to 240 v. I even seen this situation in a children's
> play room.
>>> I think that is more than a little more serious issue.
>>>
>>>
>>>
>>>> On 10/13/2014 11:27 AM, William Miller wrote:
>>>> Christopher:
>>>>
>>>> I believe strongly that the code requirement to protect PV wires
>>>> from unauthorized personnel is justified.  Ground mount arrays are
>>>> essentially jungle gyms and could attract children to climb.  If a
>>>> 50 pound child inadvertently swings on a PV cable across a sharp
>>>> metal edge the insulation could easily be compromised.  The current
>>>> limited nature of PV means the current will sink through the short
>>>> until the short is opened, leaving up to
>>>> 600 volts at fatal amperage exposed to the touch.  Inadequate ground
>>>> fault interruption technology does little to prevent the problem.
>>>>
>>>> You cannot legally install a convenience receptacle at any height
>>>> above ground with the individual conductors exposed, so why should
>>>> one be allowed to install PV with individual conductors readily
> accessible?
>>>> I grant you that shielding PV wiring on a ground mount is a
>>>> difficult process.  It is very unfortunate that the industry has
>>>> been allowed to evolve without developing decent wire management
> hardware in the process.
>>>> If you are not aware of the work we have done on wire management
>>>> solutions, you might visit our website where we share all of our
>>>> ideas.  We are giving away trade secrets, but I feel a moral
>>>> obligation to help everyone in the industry deliver a safe product.
>>>>
>>>> Most sincerely,
>>>>
>>>> William Miller
>>>>
>>>>
>>>>
>>>> Lic 773985
>>>> millersolar.com
>>>> 805-438-5600
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org]
>>>> On Behalf Of Christopher Warfel
>>>> Sent: Monday, October 13, 2014 5:56 AM
>>>> To: re-wrenches at lists.re-wrenches.org
>>>> Subject: Re: [RE-wrenches] Wire management devices
>>>>
>>>> Thanks all, I don't see a good solution to what I think is a
>>>> non-existent problem.  I believe that anyone who wants to pull apart
>>>> dc subarray conductors is attempting to vandalize. It's not easy to
>>>> do, and you really have to be wondering why someone would even try.
>>>> Why don't we put all electrical outlets 8 feet off the ground?
>>>>> On 10/13/2014 2:27 AM, William Miller wrote:
>>>>> Friends:
>>>>>
>>>>> I looked at the Solarmount web site and I don't think the product
>>>>> complies-- the wire management leaves leads exposed.  It's a nice
>>>>> start,
>>>> however.
>>>>> I was asked by Homepower to do an article on wire management.  I
>>>>> was flattered they'd ask, but I had to decline because there is so
>>>>> few options off-the-shelf that I can recommend.
>>>>>
>>>>> William
>>>>>
>>>>> Lic 773985
>>>>> millersolar.com
>>>>> 805-438-5600
>>>> _______________________________________________
>>>> List sponsored by Redwood Alliance
>>>>
>>>> List Address: RE-wrenches at lists.re-wrenches.org
>>>>
>>>> Change listserver email address & settings:
>>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>>>
>>>> List-Archive:
>>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/mailli
>>>> st.html
>>>>
>>>> List rules & etiquette:
>>>> www.re-wrenches.org/etiquette.htm
>>>>
>>>> Check out or update participant bios:
>>>> www.members.re-wrenches.org
>>> --
>>> Christopher Warfel, President
>>> ENTECH Engineering, Inc.
>>> PO Box 871, Block Island, RI 02807
>>> 401-466-8978
>>>
>>> _______________________________________________
>>> List sponsored by Redwood Alliance
>>>
>>> List Address: RE-wrenches at lists.re-wrenches.org
>>>
>>> Change listserver email address & settings:
>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>>
>>> List-Archive:
>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillis
>>> t.html
>>>
>>> List rules & etiquette:
>>> www.re-wrenches.org/etiquette.htm
>>>
>>> Check out or update participant bios:
>>> www.members.re-wrenches.org
>>>
>> _______________________________________________
>> List sponsored by Redwood Alliance
>>
>> List Address: RE-wrenches at lists.re-wrenches.org
>>
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist
>> .html
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out or update participant bios:
>> www.members.re-wrenches.org
>>
>>
> --
> Christopher Warfel, President
> ENTECH Engineering, Inc.
> PO Box 871, Block Island, RI 02807
> 401-466-8978
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2247 / Virus Database: 4031/7885 - Release Date: 10/14/14
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2247 / Virus Database: 4031/7885 - Release Date: 10/14/14
>
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>

-- 
Christopher Warfel, President
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20141015/9ac86509/attachment-0002.html>