Re: [RE-wrenches] Very small PV systems for surveillance or other "micro" loads

2014-01-24 Thread Jerry Shafer
Every system we do is off of a fresh slate, repeaters, wireless ext. This is because we want each system to do what is asked of us On Jan 20, 2014 12:46 PM, "Larry Crutcher, Starlight Solar Power Systems" < la...@starlightsolar.com> wrote: > Jason, > > We get quite a few of these from US Border Pa

Re: [RE-wrenches] (RE-wrenches) 2x200 amp meter main panel question

2014-01-24 Thread Jerry Shafer
We have, if there are two separate mains each 200 amps the meter socket is 400 amps just don't overload one side On Jan 23, 2014 11:31 AM, "John Powell" wrote: > Has anyone tried to connect one 40 amp inverter output circuit to each of > the two breakers on a 2 x 200AMP single meter main panel in

Re: [RE-wrenches] Corrugated roof brackets

2014-01-24 Thread Jerry Shafer
Go look at sunmodo they also have some solutions tell them jerry from affinity sent you, great price point. The are in Washington state check it out On Jan 23, 2014 1:37 PM, "All Solar, Inc." wrote: > Can anyone comment on the S-5! CorruBracket? > Any other recommendations or comments appreciate

[RE-wrenches] Static shock

2014-01-24 Thread jay peltz
Hi all, Here is a new question. I believe it's static electricity. System: standalone 2 x 44voc 165 watt modules in parallel Powering a pump sq flex( yea installer didn't do it right) dry ground. No batteries or any other power in the area, no LCB or other electronics. Pole mount, dpw in co

Re: [RE-wrenches] NEC 2014 690.12 Rapid Shutdown

2014-01-24 Thread Drake
Here is the email that I sent to Matt Paiss in response to his contact with me. Matt, Thanks for your email. I was in the midst of answering it yesterday when my reply disappeared into cyberspace. Maybe it found its way to your mailbox. We agree strongly that PV should be made as safe as p

[RE-wrenches] astropower panels

2014-01-24 Thread Kirk Herander
If anyone has any Astropower panels, AP-110 or AP-120, hiding somewhere pls contact me off-list. Kirk Herander VT Solar, LLC dba Vermont Solar Engineering NABCEPTM Certified Inaugural Certificant NYSERDA-eligible Installer VT RE Incentive Program Partner 802.863.1202 _

Re: [RE-wrenches] Temperature Compensation calcs for wire

2014-01-24 Thread Dave Click
William- Happy to help. You need to use 310.15(B)(2)(a) in conjunction with T310.15(B)(16) and (17), where ampacity is given for 30C ambient. For T310.15(B)(18-20), where ampacity is given for 40C ambient, you would use 310.15(B)(2)(b). The THWN in 310.15(B)(20) is only for messenger-support

Re: [RE-wrenches] Temperature Compensation calcs for wire

2014-01-24 Thread William Miller
Dave: Thanks for this post, although in order to completely understand, it I sacrificed a significant amount of time working up a spreadsheet and running various scenarios. My philosophy is that this will pay off in the long run. I always create a spreadsheet so I can figure something out once an

Re: [RE-wrenches] Corrugated roof brackets

2014-01-24 Thread William Miller
Jeremy: We used them on one job and did not favor them for these reasons: 1. Don't like having the penetrations in the valleys 2. The adhesive is fragile and either peels off or significant amounts wrap around the drill or fasteners 3. The threaded connections felt fragi

[RE-wrenches] NEC 2014 690.12 Rapid Shutdown

2014-01-24 Thread David Brearley
Wrenches, Matt Paiss is wanted to chime in here. He's a member of the Code-Making Panel No. 4 Firefighter Safety Task Group, as well as SEIA's PV Industry Forum. Since he can't post to the list, I am sharing his comments with the group: > Drake, > > After reading your initial comments, I th