[RE-wrenches] Snap-n-rack bonding certification
jay
jay.peltz at gmail.com
Tue Jul 20 20:04:23 EDT 2021
Can WEEBS be used instead?
jay
peltz power
> On Jul 20, 2021, at 4:37 PM, Rebekah Hren <rebekah.hren at gmail.com> wrote:
>
> Hi William
>
> Groan, I don't see that precise model in the series 100 installation manual <https://snapnrack.com/wp-content/uploads/2019/05/S100-UL-Install-Manual_v2.0_web.pdf> on pg 74 which is the bonding evaluation list of modules
> I hope for your sake Snapnrack will send an email the AHJ will accept that includes that module.
> I wish there was a reasonable workaround for AHJs here, like onsite resistance measurements.
>
> Good luck,
> Rebekah
> Tel: 336.266.8800
>
>
>
> On Tue, Jul 20, 2021 at 2:36 PM Sam Haraldson <sam at onsiteenergyinc.com <mailto:sam at onsiteenergyinc.com>> wrote:
> The SnapNrack UL 2703 document highlights it's UL listing when used with Type 1 and Type 2 modules.
> https://snapnrack.com/wp-content/uploads/2019/05/SnapNrack_Fire_Classification_Tech_Bulletin_v.2-1.pdf <https://snapnrack.com/wp-content/uploads/2019/05/SnapNrack_Fire_Classification_Tech_Bulletin_v.2-1.pdf>
> SnapNrack Series 100, Ultra Rail and RL systems have been Certified for a Class A fire rating with Type 1 and Type 2 modules, in accordance with the standards set forth in UL1703/2703 and IBC 2012.
>
> The Mission Spec sheet references that it is UL listed under 1703.
> https://s3.amazonaws.com/ecodirect_docs/Mission-Solar/Mission-Solar-MSE320SR8T-datasheet.pdf <https://s3.amazonaws.com/ecodirect_docs/Mission-Solar/Mission-Solar-MSE320SR8T-datasheet.pdf>
>
> For further reference this 1703 document talks a little about the different module "types" that are tested.
> https://www.intertek.com/building/standards/ul-1703/ <https://www.intertek.com/building/standards/ul-1703/>
> The “Type” of module dictates the number of fire tests that will be required during the test process, there are 3 common types (15 total) that are determined by their superstrate, encapsulant, substrate materials, and size of module.
>
>
>
>
>
> Sam Haraldson <mailto:sam at onsiteenergyinc.com>
> Installation & Service Manager
> <http://www.onsiteenergyinc.com/>
> | o. (406) 551-6135
> <https://www.facebook.com/onsiteenergysolar/> <https://www.instagram.com/onsiteenergyinc/> <https://twitter.com/onsiteenergyinc> <https://www.linkedin.com/company/onsite-energy-inc/>
> <https://onsiteenergyinc.com/bcorp>
>
> On Tue, Jul 20, 2021 at 3:25 PM William Miller <william at millersolar.com <mailto:william at millersolar.com>> wrote:
> Friends:
>
>
> I received the following correction noticed from a hired plan-checker:
>
>
> Please provide the technical listing for the support rail system documenting that the supports have been tested with the PERC 60 panels. The UL 2703 listing requires the two to be tested/listed together for the rack to functionally ground the solar panels. [CEC 690.43(A)] Alternately, bond the metal parts of PV equipment to grounded metal supports per CEC 690.43(B).
>
>
>
> Is it true that UL2703 requires testing with each and every type of module? I am using 100 Series rail from my stock with Mission MSE325SR8K panels. Does anyone have any documentation on file that would satisfy this request?
>
>
> I have sent an inquiry to Snap-n-rack about this but they often take a week or more to respond.
>
>
> Thanks in advance.
>
>
> William Miller
>
>
> Miller Solar
>
> 17395 Oak Road, Atascadero, CA 93422
>
> 805-438-5600
>
> www.millersolar.com <http://www.millersolar.com/>
> CA Lic. 773985
>
>
>
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