Re: [RE-wrenches] PV ratings

d.com/2015/2015-scorecard.php I haven't seen a performance comparison in a few years. You can find the Photon module yield tests up until 2014 online, but even those were limited to sometimes one model from a manufacturer which did not necessarily represent the available technology. Gar

Re: [RE-wrenches] Solar World Wind Damage

also now listed to UL 2703, which could be a benefit over a custom solution. https://www.pvracking.com/ground-mounting-systems/overview/ Garrison Garrison Riegel PV Manager | Solar Service Inc<http://www.solarserviceinc.com/> [p] 847-677-0950 | garri...@solarserviceinc.com<mai

Re: [RE-wrenches] Solar World Wind Damage

also now listed to UL 2703, which is helpful. https://www.pvracking.com/ground-mounting-systems/overview/ Garrison Garrison Riegel PV Manager | Solar Service Inc<http://www.solarserviceinc.com/> [p] 847-677-0950 | garri...@solarserviceinc.com<mailto:garri...@solarserviceinc.com

[RE-wrenches] Awning Mount Racking

, Garrison Riegel PV Manager | Solar Service Inc<http://www.solarserviceinc.com/> [p] 847-677-0950 | garri...@solarserviceinc.com<mailto:garri...@solarserviceinc.com> NABCEP Certified PV Installation Professional™ ___ List sponsored by Redw

Re: [RE-wrenches] SMA Tripower

al arts major in college). It's a very interesting Code question! On Thu, Sep 1, 2016 at 7:38 AM, Garrison Riegel mailto:garri...@solarserviceinc.com>> wrote: Hi Brian, Can we not invoke Art. 220.5(B) Fractions of an Ampere to round down to a 30A OCPD in this case? I suppose that

Re: [RE-wrenches] SMA Tripower

Hi Brian, Can we not invoke Art. 220.5(B) Fractions of an Ampere to round down to a 30A OCPD in this case? I suppose that .1 could be pretty significant when combining many of these inverters. Garrison Riegel Solar Service Inc On Aug 31, 2016, at 11:24 PM, Brian Mehalic mailto:br

Re: [RE-wrenches] Roof harness

. Thanks, Garrison Riegel Solar Service Inc. From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dan Fink Sent: Monday, May 30, 2016 2:04 PM To: RE-wrenches Subject: Re: [RE-wrenches] Roof harness The back dorsal D-ring is the ONLY place fall-arrest equipment should

Re: [RE-wrenches] supply side connection

Hi Jay, I've used the Milbank K4977 taps for a few supply side connections in Milbank meter sockets. They make for a fast and clean connection. I would highly recommend them as long the utility will allow it. Best, Garrison Garrison Riegel Solar Service Inc -Original Me

Re: [RE-wrenches] 480 single phase delta

The newer Tripower STP3 can be configured for delta, but the 12000-24000 cannot. A step up transformer sounds like the way to go. Best, Garrison Garrison Riegel Solar Service Inc From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of jerrysgarage01 Sent

Re: [RE-wrenches] Rooftop disconnect for multi tracker TLs

I would have recommended SolarBOS here as well, but as of Jan 1 2016 they require a minimum 20 piece order. They also have not yet set up a distributor for smaller orders…seems like an oversight. Plan accordingly. Garrison Riegel PV Operations Manager | Solar Service Inc<h

Re: [RE-wrenches] Can anyone identify this mounting system and module

It looks like the Westinghouse AC module system. Pretty sure these are no longer available. Garrison Riegel PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarserviceinc.co

Re: [RE-wrenches] Racking for Steep Roofs

ified Technical Sales Professional New Mexico EE98J Journeyman Electrician Founder (Retired), Positive Energy, Inc. 505 780-2738 cell On 10/15/2015 1:50 PM, Garrison Riegel wrote: Thanks for the responses. I called UniRac and IronRidge who both confirmed they max out at 45°. UniRac said

Re: [RE-wrenches] Racking for Steep Roofs

alling unirac as it may be a software issue that uou are having but they will confirm eitherway Jerry On Oct 14, 2015 9:25 AM, "Garrison Riegel" mailto:garri...@solarserviceinc.com> > wrote: Wrenches, Can anyone recommend a flush mount racking system for really steep roofs? I ha

[RE-wrenches] Racking for Steep Roofs

according to their design tools and manuals. Any advice would be much appreciated. Thanks, Garrison Garrison Riegel PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarse

Re: [RE-wrenches] Serviceable equipment on a roof

not apply. Permanent anchors also sound like a good, although expensive solution. Garrison Garrison Riegel PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarserviceinc.co

Re: [RE-wrenches] Genasun

Looks like a good fit for either a SunPower or Kyocera. Although with SunPower you might be paying as much for the single module as you did for the cart... Garrison Riegel PV Operations Manager | Solar Service Inc [p] 847-677-0950 | garri...@solarserviceinc.com NABCEP Certified PV Installation

Re: [RE-wrenches] Integrating with Lightning Protection

with or in the vicinity of a LPS has a negative effect on the designed efficiency of the LPS, but have not investigated further. Sincerely, Glenn Burt Sent from my 'smart' phone so please excuse grammar and typos. _ From: <mailto:garri...@solarserviceinc.com> Garrison Ri

[RE-wrenches] Integrating with Lightning Protection

bond these systems on the roof? Opinions on a 2009 Wrenches thread varied, but I've heard it from a few sources that these should be bonded directly. Wondering if there is a general consensus at this point? Or strong opinions one way or the other? Thanks for your thoughts. Garrison R

Re: [RE-wrenches] Copper bar current capacity?

Hi Larry, It sounds like the Copper Development Association would agree. Take a look at this table on DC copper bus bar ampacities: http://www.copper.org/applications/electrical/busbar/busbar_ampacities.html Best, Garrison Riegel PV Operations Manager | Solar Service Inc [p] 847-677-0950

Re: [RE-wrenches] Fall Protection Equipment

, Garrison Garrison Riegel PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarserviceinc.com NABCEP Certified PV Installation Professional™ From: RE-wrenches [mailto:re-w

[RE-wrenches] Preventing 24/7 Transformer Losses

g might be referring to? What are folks doing to mitigate these losses? Some kind of DC actuated switch on the utility side of the transformer maybe? Anything else to keep in mind when specifying a PV specific transformer? Thank you for your thoughts. Garrison Garrison Riege

Re: [RE-wrenches] Mounting height

that would be the minimum. Garrison Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarserviceinc.com NABCEP Certified PV Installation Professional™ From:

Re: [RE-wrenches] Fall Protection Recommendations?

l for lower slopes. Also check out their HitchClip. It is an excellent anchor for shingled, pitched roofs. http://www.guardianfall.com/performance-safety-products/anchor-points/reside ntial-anchor-points/hitchclip Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> So

Re: [RE-wrenches] Conflict between solar PV and Zigbee-based home automation??

Maybe the tech folks at SolarEdge could provide some advice. They use ZigBee to communicate wirelessly with their inverters, and it has worked flawlessly in my experience. Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-67

Re: [RE-wrenches] Three Inverters, One Disconnect?

Got it, thanks Bill. Single phase breakers for the inverters, 3-pole switch for the disconnect it will be. Thanks, Garrison From: Bill Brooks [mailto:billbroo...@yahoo.com] Sent: Friday, April 04, 2014 6:05 PM To: 'Garrison Riegel'; 'RE-wrenches' Subject: RE:

Re: [RE-wrenches] Three Inverters, One Disconnect?

...@yahoo.com] Sent: Friday, April 04, 2014 2:09 PM To: 'RE-wrenches'; 'Garrison Riegel' Subject: RE: [RE-wrenches] Three Inverters, One Disconnect? Don and Garrison, The word “dedicated” means “no loads”. That is why, the way the code is written today, you cannot plug a

Re: [RE-wrenches] Three Inverters, One Disconnect?

thought each inverter required a dedicated breaker as per 705.12(D)(1). Thoughts? Thanks, Garrison From: d...@energysolarnow.com [mailto:d...@energysolarnow.com] Sent: Thursday, April 03, 2014 1:55 PM To: re-wrenches@lists.re-wrenches.org; Garrison Riegel Subject: RE: [RE-wrenches

[RE-wrenches] Three Inverters, One Disconnect?

] AC disconnect before landing at each 1-pole 20A breaker in the main panel? It would be great to avoid an inverter subpanel and 3-pole breaker in the MDP if possible. Thanks for your thoughts. Garrison Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Servi

Re: [RE-wrenches] Solar Carport on a Parking Ramp

tell you it will likely not pass structural when installed on top of a parking garage without significant structural reinforcement. Good luck! Garrison Riegel PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solar

Re: [RE-wrenches] Fronius Installer Support Sucks- but who else?

of this, in some cases it can actually restore imbalance since many buildings with 240 delta have few if any loads on the high leg. Contrary to their manual, Power-One also claims their smaller PVI inverters are compatible with 240 high-leg delta. Garrison Garrison Riegel Project

Re: [RE-wrenches] Fronius Installer Support Sucks- but who else?

more than four units require a hardwire to the Cluster Controller. I was definitely hoping for Bluetooth. It worked well with the SunnyBoys. Hopefully they will add this to the TriPowers in the future. Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service

Re: [RE-wrenches] transformerless inverters and conductor colors // PV Wire

t it is listed to UL 4703. http://ulstandardsinfonet.ul.com/outscope/outscope.asp?fn=4703.html Cheers, Garrison Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarser

Re: [RE-wrenches] Flat Roof PV Attachments with Tapered Insulation

hop make them for us. Windsafe spec: http://www.schletter.us/support/Windsafe_Product_Sheet.pdf Stanchions on page 9: http://www.schletter.us/support/I43%20Component_OV.pdf Best Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847

Re: [RE-wrenches] double-insulated PV wire

If you're willing to shop outside the bay area Civic Solar has black, red, and white PV Wire for a pretty decent pr

Re: [RE-wrenches] Combining Enphase M190 and M215 on same circuit

Hi Jason, We have paralleled M190 with M215 and have had no comm issues.yet. Enphase gave their blessing as well. Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-677-0950 | <mailto:garri...@solarserviceinc.com> garri...@solarse

Re: [RE-wrenches] Modules approved for horizontal mounting

White efflorescence, or glass disease, is also mentioned in a number of installation manuals as a reason not to install modules horizontally. Sounds pretty serious. Garrison Garrison Riegel Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc [p] 847-67

Re: [RE-wrenches] Fuse sizing in battery circuits

to it 250.104(A)1, but it doesn't count as the electrode. Also, 250.166 (C) specifically lists pipe as one of the exceptions. R.Ray Walters CTO, Solarray, Inc Nabcep Certified PV Installer, Licensed Master Electrician Solar Design Engineer 303 505-8760 On 4/16/2013 1:06 PM, Garrison Rie

Re: [RE-wrenches] Fuse sizing in battery circuits

) through (E). So if the GE is a water main wouldn't the GEC "need" to be 4/0, if the battery cables were 4/0? Not saying it makes sense, especially if the water main is 3/4", but this has always made me wonder. Thoughts? Garrison Riegel Project Manager | Solar Service Inc [p]

Re: [RE-wrenches] Conductor Sizing for Supply Side Connection

27;s an option) or downsizing the main breaker, and at that point you're probably better off just making it a load side connection. I'd go load side and argue with the AHJ to use the 2011 update mentioned earlier. Dave On 2013/2/28 9:55, Garrison Riegel wrote: Allen, The benefit I see

Re: [RE-wrenches] Conductor Sizing for Supply Side Connection

ddress) Santa Fe, New Mexico 87507 505 424-1112 www.positiveenergysolar.com <http://www.positiveenergysolar.com/> On 2/28/2013 6:27 AM, Garrison Riegel wrote: Thanks Allen for clarifying why a 60A is required. I was wondering. The spec does list a surge current of 9000W so I though

Re: [RE-wrenches] Conductor Sizing for Supply Side Connection

Thanks Allen for clarifying why a 60A is required. I was wondering. The spec does list a surge current of 9000W so I thought that may be the rationale, but even that would only require a 50A, and since this surge occurs during 'stand-alone mode' it didn't seem to apply to the OCPD at the main pan

Re: [RE-wrenches] Conductor Sizing for Supply Side Connection

s-boun...@lists.re-wrenches.org] On Behalf Of Garrison Riegel Sent: Wednesday, February 27, 2013 1:15 PM To: 'RE-wrenches' Subject: [RE-wrenches] Conductor Sizing for Supply Side Connection Wrenches, On an upcoming job we have a Xantrex XW4548 interconnecting with a 200A service

[RE-wrenches] Conductor Sizing for Supply Side Connection

Wrenches, On an upcoming job we have a Xantrex XW4548 interconnecting with a 200A service, and I'd very much appreciate some advice if y'all are willing. Since the inverter output OCPD is required to be 60A we are looking at a supply side connection, and I have two questions: 1.

Re: [RE-wrenches] Snow guards for pitched roof arrays?

Have you considered installing a flashing like the EcoFasten GF-1, lagging the L-foot to the rafter, and then spanning the L-feet with some AL angle? We use flashings similarly for supporting conduit on roofs, which works very well. Garrison Solar Service Inc 847-677-0950 From: re-wren

Re: [RE-wrenches] getting PV modules up to the roof

It is not possible to maintain three points of contact at all times while carrying a module up a ladder. It is my understanding that if three-point contact is not possible at all times, then a personal fall arrest system is required. This is not called out specifically in Subpart X

Re: [RE-wrenches] high insolation value and inverter undersizing

orientation. Garrison Riegel Solar Service Inc [p] 847-677-0950 <http://www.solarserviceinc.com/> www.solarserviceinc.com NABCEP Certified Solar PV and Thermal Installer™ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Beh

Re: [RE-wrenches] Protecting/Cleaning un-connected MC Connectors

he surface. Some parts cleaners can cause damage, and may void the module warranty if you have to replace the connector. Garrison Riegel Project Manager Solar Service Inc [p] 847-677-0950 <http://www.solarserviceinc.com/> www.solarserviceinc.com NABCEP Certified Sola

Re: [RE-wrenches] AET Rayport array #1

would recommend either a slip sheet under the trays or you use the AET ballast pad to protect the roof membrane. Good luck! Garrison Garrison Riegel Project Manager Solar Service Inc [p] 847-677-0950 [f] 847-647-9360 www.solarserviceinc.com <http://www.solarserviceinc.

Re: [RE-wrenches] S5! question

Agreed, standard S-5! with L-foot and rail allows for the easiest install and most flexibility. We also stagger the clamps as much as possible to hit as many seams as possible. Also, make sure the pans are installed correctly as they will be the weakest link. Garrison Garrison Riegel

Re: [RE-wrenches] Booster pump

n the circulators. Garrison Garrison Riegel Project Manager Solar Service Inc [p] 847-677-0950 [f] 847-647-9360 www.solarserviceinc.com <http://www.solarserviceinc.com/> NABCEP Certified Solar PV and Thermal InstallerT _ From: re-wrenches-boun...@lists.re-w

Re: [RE-wrenches] DC GEC Sizing Issue - Water Main GE

e are many different configuration possibilities and the Code cannot be rewritten for each one. Thanks again, Garrison Garrison Riegel Project Manager Solar Service Inc [p] 847-677-0950 [f] 847-647-9360 www.solarserviceinc.com NABCEP Certified Solar PV and Thermal InstallerT -Origin

Re: [RE-wrenches] DC GEC Sizing Issue - Water Main GE

metal conduit. That said they have been known to allow certain exceptions if it meets the latest NEC cycle (and they are in a good mood). Thank you again for your time and knowledge. It is much appreciated. Garrison Garrison Riegel Project Manager Solar Service Inc [p] 847-677-0950 [f] 847-647-

[RE-wrenches] DC GEC Sizing Issue - Water Main GE

llest size allowed)? Thank you in advance, Garrison Garrison Riegel Project Manager Solar Service Inc [p] 847-677-0950 www.solarserviceinc.com <http://www.solarserviceinc.com/> NABCEP Certified Solar PV and Thermal InstallerT

Re: [RE-wrenches] L feet no flashing in shingle roof

K RSS (self tapping structural screw). The combination works great and does not require a pilot hole. RSS: http://www.grkfasteners.com/en/RSS_1_2_information.htm GF1 http://ecofastensolar.com/pdf/GF1%20Cutsheets.pdf Best, Garrison Riegel Project Manager Solar Service Inc [p] 84

Re: [RE-wrenches] poly tape

Another one to check out is EternaBond Double Stick. We get it in 2" wide rolls which fit most L-Feet perfectly. http://www.bigrocksupply.com/store/Search.aspx?searchTerms=eternabond%20doub le&submit=true&type=AND Garrison Riegel Solar Service Inc [p] 847-677-0950 www.solars