Thanks, Andrew. I have a stack of SolarPro waiting for the rain to hit. Looks like we are getting some soon. (Thank goodness)
Blessings, Kelly On Feb 4, 2014, at 11:02 PM, Andrew Truitt wrote: > > Kelly - Here are a couple of SolarPro articles that you might find helpful: > > > http://solarprofessional.com/articles/design-installation/ground-mounted-pv > > http://solarprofessional.com/articles/products-equipment/racking/ground-mount-pv-racking-systems/page/0/1 > > > > > For a brighter energy future, > > > Andrew Truitt > > Principal > Truitt Renewable Energy Consulting, LLC > > (202) 486-7507 > > LinkedIn Profile > > Company Website > > NABCEP Certified PV Installation Professional ID: 032407-66 > > Colorado Journeyman Electrician License No.: 600132 > > <image001.jpg> > > "Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to > fission. And it just so happens that there's an enormous fusion reactor > safely banked a few million miles from us. It delivers more than we could > ever use in just about 8 minutes. And it's wireless!" > > ~William McDonough > > > > > > > > > > On Tue, Feb 4, 2014 at 9:58 PM, Kelly Larson <solarwre...@asis.com> wrote: > Wow, William. Thank you for all the details. One size clearly doesn't fit > all! I like the page with all the different wire management options you've > used. Somebody tell me why we still don't have this taken care of WITH the > racking... Shesh. > > Blessings, > Kelly > > > > On Feb 4, 2014, at 8:47 PM, <will...@millersolar.com> > <will...@millersolar.com> wrote: > >> Kelly: >> >> Ground mount racking choice is determined on a case-by-case basis. If the >> ground is flat and area plentiful, we use ballasted on gravel (Dyno-Raxx). >> If you need to seasonally adjust, we like the DPW MPM. If the ground is >> sloped other than gradually south, top of pole mounts may be your choice. >> For flat ground, low tilt (grid-tied) “fence post” arrays like the DPW LGM >> work well. For high wind areas, consider the DPW TTRGM on piers spanned by >> strut. >> >> Lest anyone think I am the cheering section for DPW, I suggest you avoid the >> DPW P6 or P8 “Tilt Kit” assemblies. The brackets are flimsy. Also, avoid >> DPW’s L-feet. They are bent aluminum and come pre-stress cracked at no >> extra cost. For L-feet, use Unirac “Serrated L-feet.” >> >> It is refreshing to hear someone ask about wire management upfront. All too >> often this is an afterthought. In the industry vacuum we have been >> developing wire management systems on an ongoing basis. Below is a link >> that depicts some of our ideas. >> >> http://www.millersolar.com/public_html/MillerSolar/practices/PV_wiring/_PV_Wiring2.html >> >> The Code now requires wire shielding on “readily accessible” PV which means >> ground mount. Just managing the wire is not enough, you must shield it from >> touch. One option is to enclose the PV in chain link, which ramps up the >> ugly factor (I don’t think three rail pasture fence or even barbed wire >> complies). Once you fence the array you can dispense with shielding, but you >> still don’t want the leads dangling in a year or two, so avoid any flavor of >> plastic wire ties. There have been studies proving they don’t last (US Navy >> is one source). >> >> We have looked at racking members with larger interior cross section (i.e. >> Pro-Solar) with the intent of running AC and DC leads inside and we have >> even mocked up a few, but fitting leads and the proprietary nuts into the >> same channel has proven impractical. >> >> Good luck. >> >> William Miller >> >> PS: Speaking of racking systems, did anyone get the news that SnapNRack and >> indeed the entire REC Residential juggernaut has been sold? Read the rest >> of this story >> >> Wm >> >> >> >> >> On Feb 4, 2014, at 4:45 PM, Kelly Larson <solarwre...@asis.com> wrote: >> >> Thanks, Aaron. How are you handling wire management and connection to the >> ground? >> >> Blessings, >> Kelly >> >> On Feb 4, 2014, at 2:41 PM, Aaron Mandelkorn wrote: >> >> I like SnapNrack 200 Series as well as DPW Solar Multi Pole Mount. >> >> On Feb 4, 2014, at 3:28 PM, Kelly Larson <solarwre...@asis.com> wrote: >> >> >> Hi, >> >> We are looking to install some 4KW ground mounted arrays. What racking are >> you using? Best ground connection? Wire management? The shows have so >> many choices, and I keep doing the same ol thing... >> >> Blessings, >> Kelly >> >> Kelly Larson >> Electrical Engineer >> NABCEP Certified Solar PV Installation Professional >> IREC Certified Master Trainer >> CA Electrical Contractor# 868189 >> SolarKelly.com >> _______________________________________________ >> >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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