Re: [RE-wrenches] Fed ITC

2011-07-12 Thread Dave Click
Yes. It looks like some efficiency improvements only qualify on a main home, but it's different for solar. http://www.irs.gov/pub/irs-pdf/f5695.pdf Page 4: Qualified solar electric property costs. Qualified solar electric property costs are costs for property that uses solar energy to

[RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Gary Willett
Fellow Wrenches: I am involved in the commissioning of a 300kw parking structure PV system and have a concern about possible galvanic action between the aluminum module frames and the stainless steel uni-strut. The installation contractor attached the PV modules using a WEEB-like stainless

Re: [RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Jason Szumlanski
I'm sorry to hijack this thread, but I just had a similar question about metallurgic compatibility of S-5 clamps. Their brochure says that they are completely compatible, and refers you to the website for details, but I am unable to find any there. Any comments on how I can assure my client would

Re: [RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Kent Osterberg
Gary, Zinc (galvanizing) is more anodic than aluminum so it is protective of the aluminum just as it is of the steel in the Unistrut. As long as the installation is in a location that doesn't routinely have high humidity, the Unistrut should last nearly as long as it normally would. Are end

Re: [RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Gary Willett
Good question about the end cuts, which would definitely rust if not painted - I'll check tomorrow. Regards, Gary Willett, PE Icarus Solar Services LLC NABCEP Certified Solar PV Installer g...@icarussolarservices.com mailto:g...@icarussolarservices.commailto:g...@icarussolarservices.com On