Re: [RE-wrenches] array commissioning

2011-11-28 Thread Bill Hoffer
Jeff I also have been shopping for a Curve tracer. I ran across an interesting product through Hukseflux usa . They make a Solar IV tracer that also can data log dc and ac to and has an attachment to be able to expand to 3 DC and 3 ac outputs as in a

[RE-wrenches] Connectors and Crimpers

2011-11-28 Thread Dave Bell
Wondering if anyone has ever had any problem or AHJ questions regarding the use of a "non-UL listed" crimper in the creation of homerun cables? How about the use of cross brand connectors; like MC4 to MC4 "compatible" connectors (Amphenol H4, Lumburg LC4, Bizlink, etc)? UL listing dictates brand

Re: [RE-wrenches] Connectors and Crimpers

2011-11-28 Thread Ray Walters
The wrong crimping tool with the wrong crimp is a big no no. I've seen complete melt downs at high amps, because there was not enough contact between the wire and the connector. I'm one of the guys here that will help you save money when it makes sense, but I've personally seen a lot of improper

Re: [RE-wrenches] Connectors and Crimpers

2011-11-28 Thread ntrei
I had a similar discussion with staff at Enphase over their stating that the H4 connectors worked with MC4 connectors. The fit is not perfect which could lead to water penetration. But they did finally send me a copy of ETL test results approving using the two different brands. Multi Connect, h

Re: [RE-wrenches] best meters for array commissioning

2011-11-28 Thread Jeff Yago
In addition to designing and installing solar systems for all kinds of clients since the 1980's, I am starting to receive requests from owners to commissioning new solar installations that were designed and installed by other firms. In many cases these may have been installed by a large commercial