Hmmm. I can't tell what it is made of. It looks like landscape fabric. Anyone have experience with this? (Solarscrim.com)
Blessings, Kelly On Feb 5, 2014, at 5:57 AM, Dave Click wrote: > A colleague found this online the other day as one potential option for > shielding the wires for a ground-/pole-mount system: > http://www.solarscrim.com/index.php > > No personal experience, though. Looks like they may ship with black zip ties > but Sunbundler ties (or others) would be an easy swap. > > Didn't notice that REC residential/AEE had been sold. It looks like > SolarCity, Vivint, and Sunrun are just taking turns buying every smaller > solar company to make sure that the others don't get them. > > On 2014/2/4, 23:47, 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 >
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