Re: [RE-wrenches] USE-2 in white?

2010-08-02 Thread Glenn Burt
We get ours in 10AWG from Allied Wire & Cable in Collegville, PA. It is not white, but they stripe it white with no trouble - about 3 stripes if I recall. I can't see why they wouldn't have larger gauges & it is pretty close to VT. -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto

[RE-wrenches] Mounting Temperature Sensors

2010-08-06 Thread Glenn Burt
nd of foil tape (electrically questionable). Any recommendations? Bubble gum? Glenn Burt NABCEP Certified PV Installer NYSERDA Eligible Installer Technical Specialist Alteris_RGB.gif Alteris RenewablesT 120 Broadway Albany, NY 12204 Tel:(518) 512-5154 Cell: (518) 681-2274 Fax:

Re: [RE-wrenches] Tight roof layout questions: edge walkway requirements & "small gap" hardware options

2010-08-25 Thread Glenn Burt
Most racking manufacturers have a minimum setback distance from the edges of a roof for wind loading. -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Mick Abraham Sent: Wednesday, August 25, 2010 2:09 PM To: RE

Re: [RE-wrenches] RFI from MPPT Charge Controllers

2010-08-31 Thread Glenn Burt
Speaking as a ham radio operator, I find operating conditions are much better after sundown. Band conditions are much more conducive to distance operating and are much quieter at that time. Glenn Burt KA2DTH -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re

Re: [RE-wrenches] RE Visio shapes files

2010-09-06 Thread Glenn Burt
Care to share the wealth? -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of boB Gudgel Sent: Monday, September 06, 2010 12:44 AM To: RE-wrenches Subject: Re: [RE-wrenches] RE Visio shapes files On 9/5/2010 9:32 PM, Wil

Re: [RE-wrenches] Sunny Backup set

2010-09-07 Thread Glenn Burt
Ask them how the listing of the 240VAC Sunny Island is coming - another promise I have customers waiting for - 'real soon now'. -Glenn -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of North Texas Renewable E

[RE-wrenches] 2011 NEC online version

2010-09-12 Thread Glenn Burt
Hello all, I found this link to the 2011 NEC effective on August 25, 2010. If you have / create an account with the NFPA, you can view it for no charge. http://www.nfpa.org/AboutTheCodes/AboutTheCodes.asp?DocNum=70 Regards, Glenn Burt

Re: [RE-wrenches] Tranformless inverter

2010-10-01 Thread Glenn Burt
. -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco Mangelsdorf Sent: Friday, October 01, 2010 2:44 PM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Tranformless inverter Ah so..double-insulated is t

Re: [RE-wrenches] Supply side connection to a dedicated panel

2010-10-12 Thread Glenn Burt
There is a good Technical Note on the SMA website that talks about sizing an AC combining panel that may provide some guidance on this. http://download.sma.de/smaprosa/dateien/4307/Multiple%20SB%20Installation%20 on%203%20Phase%20Utility%20Tech%20Note%20V21.pdf -Glenn Burt From: re

Re: [RE-wrenches] 2011 NEC Code book with Handbook on CD ROM

2010-10-25 Thread Glenn Burt
I just bought a copy of the 2008 NEC on CD because NY finally adopted this version. I have tried a few searches, and think I am averaging 50% success on the searches. I got 2 installs (per purchased copy), but am having trouble installing under Windows 7 (Vista was OK). -Glenn Burt -Original

Re: [RE-wrenches] 3.7kW grid tie

2010-10-31 Thread Glenn Burt
conductors inside the load center, prior to their landing on the main breaker. -Glenn Burt Alteris Renewables, Inc. From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dave Palumbo Sent: Sunday, October 31, 2010 2:35 PM To: &#x

Re: [RE-wrenches] enphase AC carrier length

2010-11-05 Thread Glenn Burt
away from our office, so I will need to plan on a couple of options to take with me, and expect to spend some time testing... Regards, Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of jay peltz

Re: [RE-wrenches] Fat Spaniel

2010-11-08 Thread Glenn Burt
There is a letter on the Fat Spaniel website welcoming all customers to Power One. Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Carl Emerson Sent: Monday, November 08, 2010 8:46 PM To: 'RE-wrenches' S

Re: [RE-wrenches] 120 volt grid tie inverter

2010-11-15 Thread Glenn Burt
I think there is still an SMA 700W inverter available that uses 120VAC. -Glenn -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Bob Ellison Sent: Monday, November 15, 2010 11:14 AM To: RE-wrenches Subject: [R

Re: [RE-wrenches] Megger for array testing

2010-11-18 Thread Glenn Burt
resistance. We test our homeruns after pulling, and AC runs after pulling, but only with unlanded conductors. Glenn Burt NABCEP Certified PV Installer NYSERDA Eligible Installer Technical Specialist Alteris_RGB.gif Alteris RenewablesT 120 Broadway Albany, NY 12204 Tel:(518) 512

Re: [RE-wrenches] low batteries with a sunny island

2010-11-18 Thread Glenn Burt
We have invested in an Iota charger with the IQ4 board for this purpose. Pricy, yes, but seems to have the best chance of success for reviving the bank as a unit. http://www.iotaengineering.com/dls5413.htm -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@

Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-19 Thread Glenn Burt
It has been my experience that if Sunpower modules are installed contrary to their manufacturer recommended positive ground configuration, that in a short time you will only be generating a few watts. I have seen this in more than one instance when the array was mis-wired and the negative was the g

Re: [RE-wrenches] Strawbale wall penetration

2010-11-20 Thread Glenn Burt
Would the walls of the bale house be considered part of the dwelling and require careful consideration of whether metallic conduit is REQUIRED on the DC run? 690.31 (E) -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf

Re: [RE-wrenches] Megger for array testing

2010-11-20 Thread Glenn Burt
Don't confuse Hi-Pot testing with insulation resistance testing (Megging). From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Drake Sent: Saturday, November 20, 2010 9:56 AM To: RE-wrenches Subject: Re: [RE-wrenches] Megger for array

Re: [RE-wrenches] Internet-based monitoring -- including battery banks?

2010-11-28 Thread Glenn Burt
If you use the SMA solution, a web box can collect many points of data from the Sunny Island on both sides of the inverter. -Glenn -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dan Fink Sent: Saturday, No

Re: [RE-wrenches] NEC 690.74

2010-11-29 Thread Glenn Burt
Hi Phil, I posted some information that is relevant back in March of 2009. It should be in the searchable archives. -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Philip Boutelle Sent: Monday, November 29

Re: [RE-wrenches] Battery Cable REvistied

2010-11-29 Thread Glenn Burt
Hi Ray, I have for my last 2 battery jobs used the Cobra X-Flex in 2/0 size with MTW rating. At the battery end I have found the Thomas & Betts 54163-TB lugs, available at my local Grainger store to be a good match both mechanically and specification wise (also the correct hole size for M8 te

Re: [RE-wrenches] NEC 690.74

2010-12-03 Thread Glenn Burt
thermoplastic… Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Phil Undercuffler Sent: Tuesday, November 30, 2010 1:07 AM To: RE-wrenches Subject: Re: [RE-wrenches] NEC 690.74 My recollection is that MTW is Machine

Re: [RE-wrenches] NEC 690.64 (B) (2)

2010-12-07 Thread Glenn Burt
Al, SMA has a good whitepaper on their site covering this, and there was an article in a recent Solar Pro covering this topic as well. Good Luck! Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Al Frishman Sent

Re: [RE-wrenches] Tranformless inverter

2010-12-10 Thread Glenn Burt
ct) Still 600VDC upper limit AC max conductor diameter is 2AWG, min is #6 DC conductors - #10 to #6 They recommend operating the DC disconnect once a year, 10 times to keep the contacts clean FYI - thought I'd share. -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches

[RE-wrenches] UL 1741

2010-12-16 Thread Glenn Burt
Does anyone have the text of UL 1741 and can tell me how much time is allowed for disconnect when loss of utility grid happens? I am thinking between 2-5 cycles? Thanks, Glenn Burt ___ List sponsored by Home Power magazine List Address: RE

Re: [RE-wrenches] Battery electrolyte question

2011-01-10 Thread Glenn Burt
Big box of Baking Soda? From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Allan Sindelar Sent: Monday, January 10, 2011 4:36 PM To: RE-wrenches Subject: [RE-wrenches] Battery electrolyte question Wrenches, By chance I found a hal

Re: [RE-wrenches] Solar Bridge Pantheon

2011-01-17 Thread Glenn Burt
I just got an email ad for Direct Grid Technologies, apparently a microinverter, but that is all I know. -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco Mangelsdorf Sent: Monday, January 17, 2011 2:55 PM To: 'RE-wr

[RE-wrenches] Fluke meter recall

2011-01-19 Thread Glenn Burt
FYI recall on a few popular Fluke clamp-on DMMs: http://www.fluke.com/Fluke/usen/support/safety/33X-Recall.htm -Glenn Burt ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings:

[RE-wrenches] Schneider recall

2011-01-25 Thread Glenn Burt
So have you seen the widespread recall on the Xantrex GT and Sunpower SPRx line? Bulletin reports instances of the wiring cover blowing off the inverter & suggests all inverters be shut down until a retrofit kit is available for installation. -Glenn

Re: [RE-wrenches] Battery Box Labeling

2011-03-25 Thread Glenn Burt
power system is present and the location(s) of the means of disconnect Regards, Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Carl Adams Sent: Friday, March 25, 2011 10:35 AM To: RE-wrenches

Re: [RE-wrenches] Backfeeding GFP devices

2011-03-25 Thread Glenn Burt
We have had success in many cases, contacting the manufacturer of the installed breaker and asking if the device was suitable for backfeeding (ala solar). Some will certify that it is OK, some do not. Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org

Re: [RE-wrenches] NABCEP test

2011-04-04 Thread Glenn Burt
My favorite part was when the test results arrived by mail, it had a postage due notice on it. Had to pony up more $$ to tell if I passed or failed!! Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Nick Vida Sent

Re: [RE-wrenches] Xantrex / Schneider recall update

2011-04-08 Thread Glenn Burt
ding paperwork to be filled out for each site requiring signatures from the customer and an unposted envelope to submit to receive reimbursement for the trouble... -Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org

Re: [RE-wrenches] Pole Mounts - Frost/Conduit & Ledge

2011-04-16 Thread Glenn Burt
were buried. So I recommend finding an engineer to evaluate the TPM requirements and adapt a foundation to an equivalent. Good Luck! Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Rich Nicol Sent: Saturday, April 16,

Re: [RE-wrenches] Two Buildings, Two Services, One Roof

2011-04-18 Thread Glenn Burt
Would be a good one to ask John Wiles - he has been very responsive to my questions. Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Mark Frye Sent: Sunday, April 17, 2011 9:09 PM To: 'RE-wrenches' Su

Re: [RE-wrenches] Perimeter warning lines

2011-05-02 Thread Glenn Burt
restraint systems so work can begin. Carts for those working within 15' of a building edge. -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of North Texas Renewable Energy Inc Sent: Monday, May 02, 2011 12:57 PM To: RE-w

Re: [RE-wrenches] commercial system monitoring

2011-06-09 Thread Glenn Burt
a few flaws, but did I mention it was free? -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco Mangelsdorf Sent: Thursday, June 09, 2011 2:53 PM To: 'RE-wrenches' Subject: [RE-wrenches] commercial sys

Re: [RE-wrenches] Torque Wrenches

2011-07-08 Thread Glenn Burt
We recently bought a couple of fixed value torque drivers for a Sunpower T-10 job. They were reasonably priced, set to a value we needed and end in a ¼” driver tip (can be adapted to any bit). http://www.flexibleassembly.com/Products/CDI-Product-Index/1501TP-1 -Glenn Burt From: re

Re: [RE-wrenches] OSHA Certification?

2011-07-17 Thread Glenn Burt
If I am not mistaken, the OSHA 10 can be completed online these days. -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of North Texas Renewable Energy Inc Sent: Saturday, July 16, 2011 10:45 PM To: RE-wrenches Subject: Re

Re: [RE-wrenches] OSHA Certification?

2011-07-17 Thread Glenn Burt
Behalf Of Ray Walters Sent: Sunday, July 17, 2011 8:21 PM To: RE-wrenches Subject: Re: [RE-wrenches] OSHA Certification? Yes, but is it actually required for solar installers? Ray On 7/17/2011 5:33 PM, Glenn Burt wrote: If I am not mistaken, the OSHA 10 can be completed online these days

Re: [RE-wrenches] SMA design tools

2011-07-20 Thread Glenn Burt
This is an event that was foretold to us during a training session with SMA early last year. I am surprised it took so long! -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco Mangelsdorf Sent: Tuesday, July 19

Re: [RE-wrenches] Anti-Islanding Explanantion

2011-07-20 Thread Glenn Burt
Cut and paste the entire url - not all of it correctly formed in Bill's email. -Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jesse Dahl Sent: Wednesday, July 20, 2011 10:27 AM To: RE-wre

Re: [RE-wrenches] UL PV certification?

2011-07-21 Thread Glenn Burt
Don’t you have to be a licensed electrician as part of the prereqs to sit for the test? Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of d...@foxfire-energy.com Sent: Thursday, July 21, 2011 9:46 AM To: RE-wrenches Subject

Re: [RE-wrenches] Solmetric PVA-600

2011-07-30 Thread Glenn Burt
So the PVA-600 doesn’t require a Windows specific program to access the logging device? This has been a question for me as most tablets now run Android OS and not a Microsoft product. Is it just browser based perhaps? Thanks! Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org

Re: [RE-wrenches] Solmetric PVA-600

2011-07-31 Thread Glenn Burt
Make your wishes for an Android version known to them. Regards, Gary Willett, PE g...@icarussolarservices.com On 7/30/2011 9:47 AM, Glenn Burt wrote: So the PVA-600 doesn’t require a Windows specific program to access the logging device? This has been a question for me as most tablets now r

Re: [RE-wrenches] Solmetric PVA-600

2011-08-06 Thread Glenn Burt
aging! -Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jesse Dahl Sent: Friday, August 05, 2011 10:03 PM To: g...@icarussolarservices.com; RE-wrenches Subject: Re: [RE-wrenches] Solmetric PVA-600

Re: [RE-wrenches] mechanical vs. electronic kwh meter

2011-08-12 Thread Glenn Burt
Here in NY (upstate), the utility (NatGrid, NYSEG) will not agree to an interconnection until they have replaced the existing unidirectional kWh meter with a bidirectional one. This is the signal that the PV system can be energized and connected to the grid. -Glenn From: re-wrenches-boun...

Re: [RE-wrenches] mechanical vs. electronic kwh meter

2011-08-12 Thread Glenn Burt
We too have had this happen - customer didn't feel he had to wait for utility approval, turned on the system after we left. His next bill came & he tried to blame it on us... All the meters the utilities are replacing here are electronic AMR style units. It has been a long time since I saw a mechan

Re: [RE-wrenches] Adding on to existing PV System

2011-09-29 Thread Glenn Burt
How about feeding both systems into an AC combining subpanel before feeding the main load center? Often the calculations required will allow you to do more backfeeding than the simple backfeeding a load center with individual breakers. -Glenn From: re-wrenches-boun...@lists.re-wrenches.org

Re: [RE-wrenches] interrupting current calculations used to determine the interrupting of the AC equipment.

2011-10-03 Thread Glenn Burt
Hi James, Breakers/fuses/disconnects/load centers have an Ampere Interrupt Current (AIC) rating as well as voltage and rated trip current. This tells how much of an arc might be created during a fault or de-energization under full load. When selecting an overcurrent protection device at th

Re: [RE-wrenches] Push-in Wire Connectors

2011-10-20 Thread Glenn Burt
the enclosure need only be rated to the protection rating of the enclosure, as long as all conduits are properly terminated with fittings that meet the minimum rating of the enclosure. Thanks, Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re

Re: [RE-wrenches] SMA electrical noise?

2011-10-28 Thread Glenn Burt
Dave, Is the 8000 one of the transformerless inverters? Maybe there is a grounding problem causing excess electrical noise when the inverter is in the 'grey' zone where there is not quite enough energy from the sun to remain in a known state. -Glenn From: re-wrenches-boun...@lists.re-wr

Re: [RE-wrenches] High Voltage MPPT units

2011-11-06 Thread Glenn Burt
Siemens makes a line that are UL listed. Their VBII series like HNF361PV – 30A -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of la...@starlightsolar.com Sent: Sunday, November 06, 2011 2:45 PM To: RE-wrenches Subject:

Re: [RE-wrenches] SMA micro

2011-11-10 Thread Glenn Burt
I just received a notice email from SMA that the Sunny Boy 240 will be available mid 2012. There is also a webinar by SMA on 11/15 to cover their new products, including a 'step up' transformer with other bells & whistles. FWIW there is a webinar tomorrow by Sunpower to introduce their two jus

Re: [RE-wrenches] combiner bus bar for Sunny Tower DC input?

2011-11-15 Thread Glenn Burt
Are you sure you need to split them? IIR, there are only a pair of conductors going from each SB into the tower. They must be combined on the SMA side of the touch-safe fuse holders in some way. We opted to run all our source circuits from array through 6 external discos then into the ST inste

Re: [RE-wrenches] GT inverter

2011-11-21 Thread Glenn Burt
SMA makes a fused combiner specifically for their TL line of inverters as well. -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of jay peltz Sent: Monday, November 21, 2011 11:07 AM To: RE-wrenches Subject: Re: [RE-wrenche

Re: [RE-wrenches] array commissioning

2011-11-26 Thread Glenn Burt
We recently began using the PVA-600 Solmetric with its wireless options. I have found it to be a real timesaver for commercial commissioning. Testing can be done from the rooftop, both V & I without making a run to the inverter(s) and waiting for generation (to measure each string's Imp). Running

Re: [RE-wrenches] calculating low string voltage

2011-12-01 Thread Glenn Burt
ASHRAE temp data as applicable to PV can be found (with some digging) on the Solar ABCs website. http://solarabcs.org/about/publications/reports/expedited-permit/map/map_int ro.html -Glenn -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists

Re: [RE-wrenches] Monitoring 10kW and 30kW PV Systems

2011-12-08 Thread Glenn Burt
s and voltage taps. It seems to be their most cost effective solution at this time for 3 phase commercial systems. -Glenn Burt -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Joel Davidson Sent: Wednesday, Dec

Re: [RE-wrenches] Covering modules

2017-12-24 Thread Glenn Burt
Hi Jay, I think you can find the UL information here: https://ulfirefightersafety.org/research-projects/firefighter-safety-and-photovoltaic-systems.html Regards, Glenn Burt -Original Message- From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of jay Sent

Re: [RE-wrenches] Remote monitoring via landline

2018-01-03 Thread Glenn Burt
I think the Morningstar devices can be made modem compatible. Good Luck! Glenn -Original Message- From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of William Miller Sent: Wednesday, January 03, 2018 12:49 AM To: RE-wrenches Subject: [RE-wrenches] Remote moni

Re: [RE-wrenches] Off grid DC Loads: DC Converter

2018-01-15 Thread Glenn Burt
I have use an Astron 48-12V converter with good success. The one I have used is the 4812-20, but they also make a less powerful one. They are not small in form factor, but seem to be reliable. http://www.astroncorp.com/dcdc.shtml -Glenn From: RE-wrenches [mailto:re-wrenches-boun...@lists.

Re: [RE-wrenches] 1,000V combiners

2018-01-19 Thread Glenn Burt
Shoals Technology Group makes 1000V combiner/disconnects, but may be oversized for what you are looking for. GlennSent from my 'smart' phone so please excuse spelling and typographical errors. -- Original message--From: Chris MasonDate: Fri, Jan 19, 2018 8:13 AMTo: RE-wrenches;Cc: Subjec

Re: [RE-wrenches] Concorde Lifeline Battery failures

2018-01-19 Thread Glenn Burt
So the Lifeline models, not the SunXtender models? GlennSent from my 'smart' phone so please excuse spelling and typographical errors. -- Original message--From: Starlight Solar Power SystemsDate: Fri, Jan 19, 2018 12:02 PMTo: RE-wrenches;Cc: Subject:[RE-wrenches] Concorde Lifeline Batte

Re: [RE-wrenches] 12/24v garage door opener.....

2018-01-31 Thread Glenn Burt
I put a couple of a.c. powered garage door openers in my garage a couple of years ago. They both had an onboard 12v battery as backup that allowed a few operations when the grid was down. I used them for a couple of months that way before I got power run out from the house. I charged them with a

Re: [RE-wrenches] 12/24v garage door opener.....

2018-02-06 Thread Glenn Burt
My bad – they are Chamberlain openers, if it still matters. From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Glenn Burt Sent: Wednesday, January 31, 2018 12:48 PM To: John ; re-wrenches@lists.re-wrenches.org Subject: Re: [RE-wrenches] 12/24v garage door opener

Re: [RE-wrenches] experience with the Tesla Powerwall

2018-02-13 Thread Glenn Burt
An installer I have been working with here in southern VT has also repeatedly applied to become an installer with Tesla for powerwalls with no response.I cannot in good conscience recommend their products based on their history and unresponsiveness in our area. They may be great for Puerto Rico,

Re: [RE-wrenches] B3 Bypass breaker

2018-02-22 Thread Glenn Burt
But if you are net metering, doesn’t your utility have to replace the kWh meter anyway? Here and in NY, it is common practice for an installer to pull a meter where a supply side connection is to be made. From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dana

Re: [RE-wrenches] TJI rafters

2018-03-02 Thread Glenn Burt
We have had to install blocking between TJI beams and anchor to them.Piercing the top member was a no-no. GlennSent from my 'smart' phone so please excuse spelling and typographical errors. -- Original message--From: frenergyDate: Fri, Mar 2, 2018 9:18 PMTo: re-wrenches@lists.re-wrenche

Re: [RE-wrenches] rail less standing seam attachments

2018-04-03 Thread Glenn Burt
We use these with pretty good success, and pretty cheap compared to other options we found. http://www.industrialsafetyproducts.com/guardian-10600-fall-protection-two-way-universal-standing-seam-clamp/?gclid=Cj0KCQjwzIzWBRDnARIsAAkc8hF_TnEnoT5LwV1uyLKfvdTsmWkwrh-qWaUQFCCJywDd6QSHXmXFEhsaAiBoEALw_

Re: [RE-wrenches] Location of DC disconnect vis-a-vis rapid shutdown exemption

2018-04-16 Thread Glenn Burt
Mark, Darryl might be alluding to the 690.13A requirements for a DC disconnect – typically located outside the structure before conductors enter the building, and readily accessible. -Glenn From: RE-wrenches On Behalf Of Mark Frye Sent: Monday, April 16, 2018 12:04 AM To: re-wrenche

Re: [RE-wrenches] wireless relays for load shedding?

2018-05-23 Thread Glenn Burt
This company seems to have many wireless relay options, although you will have to use a contactor actuated by the receiver relay, but looks like they could do what you are looking for.I don't have first hand experience with this company, but wireless control is pretty much ubiquitous these days.

Re: [RE-wrenches] AC-coupled storage

2018-05-23 Thread Glenn Burt
Sonnen eco series. GlennSent from my 'smart' phone so please excuse spelling and typographical errors. -- Original message--From: Marco MangelsdorfDate: Wed, May 23, 2018 6:28 PMTo: 'RE-wrenches';Cc: Subject:[RE-wrenches] AC-coupled storage Aloha,   Other than the Tesla Powerwall, d

Re: [RE-wrenches] Three phase lightning protection

2018-06-10 Thread Glenn Burt
We use the APT Spdee line of surge devices and have been satisfied with them.Looks like they were bought by ASCO. http://www.ascopower.com/en-us/products-catalog/products/surge-protective-devices/asco-series-400-surge-protective-devices/ GlennSent from my 'smart' phone so please excuse spelling

Re: [RE-wrenches] grounding on metal roofs

2018-06-18 Thread Glenn Burt
NEC 250.4(A)4 Also states that normally non-current-carrying electrically conductive materials that are likely to become energized shall be connected together and to the electrical supply source in a manner that establishes an effective ground-fault current path. So the logic goes if an arra

Re: [RE-wrenches] 5 battery strings

2018-07-23 Thread Glenn Burt
Hi Christopher, I buy my copper buss material from McMaster Carr in appropriate dimensions for the current I am expecting. I then cut it to the lengths I need, drill for appropriate size fasteners and use 2 layers of heat-shrink tubing to protect the exposed bar. Hope this helps. -Glenn

[RE-wrenches] Aqueon disposal

2018-07-25 Thread Glenn Burt
Howdy wrenches, Does anyone have any experience with disposing of the Aqueon battery stacks? We have a number that have failed and our local waste station is balking, regardless of how much hand-holding we provide and specifications, MSDS and manufacturer info we supply. We have been referred

Re: [RE-wrenches] Batteries in 4' tall crawl space

2018-08-01 Thread Glenn Burt
Interesting idea, but it looks like to service them you would have to lay on your stomach and get your face right in there? Not my idea of a good time! -Glenn From: RE-wrenches On Behalf Of Ray Sent: Monday, July 30, 2018 3:32 PM To: re-wrenches@lists.re-wrenches.org Subject: Re: [RE-wrenche

Re: [RE-wrenches] Aqueon disposal

2018-08-01 Thread Glenn Burt
interesting parts to do something with. Attached is a photo of my Super Aquion Gravel Tamper tool. Some of the other aluminum parts will get incorporated into one of my homemade telescopes. Brad AEE Solar On Wed, Jul 25, 2018 at 4:22 PM, Glenn Burt mailto:glenn.b...@glbcc.com> > wrote: Howdy wr

Re: [RE-wrenches] Aqueon disposal

2018-08-01 Thread Glenn Burt
have some interesting parts to do something with. Attached is a photo of my Super Aquion Gravel Tamper tool. Some of the other aluminum parts will get incorporated into one of my homemade telescopes. Brad AEE Solar On Wed, Jul 25, 2018 at 4:22 PM, Glenn Burt mailto:glenn.b...@glbcc.co

Re: [RE-wrenches] Trackers

2018-09-05 Thread Glenn Burt
There are a lot of All Earth trackers going up in these parts. Of course they are made just North of here, so that may be part of it. Dual axis active tracker – seem to be well made and pretty reliable. https://www.allearthrenewables.com/ -Glenn From: RE-wrenches On Behalf Of ch...@oas

Re: [RE-wrenches] Neutral sizing

2018-09-22 Thread Glenn Burt
Here is the code reference explaining this conductor size disparity from 2017 NEC: "According to Table 310.15(B)(16), a 3/0 AWG, Type THW copper conductor has an ampacity of 200 amperes. However, for a 3-wire, single-phase dwelling unit service, as shown in Exhibit 215.2, 310.15(B)(7) permits a s

Re: [RE-wrenches] Code signage for battery back-up?

2018-09-23 Thread Glenn Burt
Hi David, I have taught similar classes for the Southern VT Regional Fire School, and here are a few references: NEC 2017 480.7(D) Notification 690.56 Identification of Power Sources (A) Facilities with Stand-Alone Systems 706.7(D) Notification 706.7(E)5 706.11 Directory NFPA-1 20

Re: [RE-wrenches] Ham Radio interference

2018-09-23 Thread Glenn Burt
I found the issue – April 2016 edition of QST magazine. It is the cover story and describes a Solar Edge installation and the mitigation experience – they quoted about 10% of the system installed costs could be expected to be needed to quiet the RF noise created by the PV system. I have a m

Re: [RE-wrenches] mate 3s locking

2018-12-01 Thread Glenn Burt
I have found that using only the Conext portal for troubleshooting is valueless… The level of detail and remote control is lost, and I have resorted to installing a remote PC control application on a laptop and leaving it at the customer’s site for a few months to be able to collect and con

Re: [RE-wrenches] 600 Vdc Transfer Switch

2018-12-19 Thread Glenn Burt
Not a transfer switch. That is a simple DC rated disconnect, like the Square D equivalent. A transfer switch allows one load to be powered by one of two sources – a multi-pole, double throw device. -Glenn From: RE-wrenches On Behalf Of Chris Mason Sent: Wednesday, December 19, 2018 2:4

Re: [RE-wrenches] No Communication to XW CC

2019-02-01 Thread Glenn Burt
The Combox can be directly connected via Ethernet, but it takes a bit of IT know-how. It is easier to take a cheap router with you and connect the Combox and laptop to the router, and let it assign IP addresses. I too am fighting a new install where the single MPPT 80-600 is partially visible

Re: [RE-wrenches] Schneider SW 4048 error

2019-02-28 Thread Glenn Burt
This number and extension should only be used if you have previously filled out their online form to be included as an installer in their records. We had an extensive discussion revolving around this new procedure in the recent past here on this forum. From: RE-wrenches On Behalf Of M

Re: [RE-wrenches] Crimper for Enphase field wireable connectors

2019-03-08 Thread Glenn Burt
Nick, I recall an extensive discussion here regarding terminals to be used for battery terminals and the terminal manufacturer's requirement to use a specific crimper with their components to maintain their listing. It was the consensus here that the manufacturer could not exclude other listed

Re: [RE-wrenches] NEC for Batteries < 60v ??

2019-03-09 Thread Glenn Burt
eding the 60V AC trigger). My initial problem was believing that the article applied to a component (the battery bank), and not the system (all components taken together as a generator/storage system). It is an easy misunderstanding to make. Hope this helps! -Glenn Burt -Original Me

Re: [RE-wrenches] Shopping for an irradiance sensor that can connect to LAN local area network

2019-03-21 Thread Glenn Burt
Hi Mick, Every pyranometer I have seen are simple devices that must be connected to a datalogger which provides scaling, logging and ethernet interface functionality. I have never seen a stand-alone device that has built-in LAN connectivity. Are you sure this is what you are looking for?

Re: [RE-wrenches] Dc discos

2019-03-26 Thread Glenn Burt
Hi Jay, We have been using them at ground mounted arrays to allow us to de-energize anything in the trench (DC). They work fine, but need a little planning because of limited interior space for conductor bending and conduit entry points. We order them direct from IMO. -Glenn -Original Mess

Re: [RE-wrenches] Schneider tech support AWOL?

2019-04-05 Thread Glenn Burt
Vince,We were asked not to share that information...Sent from my Verizon LG Smartphone-- Original message--From: Vince McClellanDate: Fri, Apr 5, 2019 5:28 PMTo: RE-wrenches;Cc: Subject:Re: [RE-wrenches] Schneider tech support AWOL?Hi Kevin Frustrating isn’t it. Try calling the tech supp

Re: [RE-wrenches] Schneider tech support AWOL?

2019-04-06 Thread Glenn Burt
William,If you were to register through the website as the support number and the website and the representative on here asked, you would have been provided with the access number, just like the others of us who have followed their requested procedure.Having worked the other side of telephone su

Re: [RE-wrenches] Operating Voltages Outback RE High Capacity Battery

2019-04-19 Thread Glenn Burt
Hi Larry, I am curious why you would use the 100Hr rate for this approximation and not the 20 or 24Hr one, since that is the period in which Mac is reporting the anomaly. Happy to learn the details! Thanks, Glenn From: RE-wrenches On Behalf Of Starlight Solar Power Systems Sent: F

Re: [RE-wrenches] Load break DC breaker for combiner

2019-04-23 Thread Glenn Burt
https://www.mouser.com/ProductDetail/Carling-Technologies/CX2-B0-14-615-22C-06C?qs=sGAEpiMZZMvNllHT6Fj2frBgPAYA3uAUmRvib7gdFxE%3DSent from my Verizon LG Smartphone-- Original message--From: gary eastonDate: Tue, Apr 23, 2019 8:16 AMTo: RE-wrenches;Cc: Subject:[RE-wrenches] Load break DC

Re: [RE-wrenches] Load break DC breaker for combiner

2019-04-23 Thread Glenn Burt
http://www.midnitesolar.com/productPhoto.php?product_ID=336&productCatName=Breakers&productCat_ID=16&sortOrder=21&act=pSent from my Verizon LG Smartphone-- Original message--From: gary eastonDate: Tue, Apr 23, 2019 8:16 AMTo: RE-wrenches;Cc: Subject:[RE-wrenches] Load break DC breaker fo

Re: [RE-wrenches] Schneider XW AUX plug

2019-04-23 Thread Glenn Burt
I think they are fairly common these days. I think the ones we used were made by Phoenix Contact, but I think a place like Newark electronics would be a source.Good luckSent from my Verizon LG Smartphone-- Original message--From: Kienan MaxfieldDate: Tue, Apr 23, 2019 7:21 PMTo: re-wren

Re: [RE-wrenches] Bus bar battery jumpers

2019-04-30 Thread Glenn Burt
I have always bought the appropriately sized for the anticipated current, copper bar stock from McMaster Carr and cut, drilled and applied heat shrink myself. -Glenn From: RE-wrenches On Behalf Of Drake Sent: Tuesday, April 30, 2019 12:27 PM To: RE-wrenches Subject: [RE-wrenches] Bus bar

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