[RE-wrenches] Rapid Shutdown and January 1 2019 option?

[cwarfel]

I am wondering about the experience installers have with a DC coupled 
multimode system design that will comply after January 1 with what I 
feel is the biggest mistake/poorly guided part of NEC 2017 690, and that 
is 690.12. We are installing two Outback systems with the remote 
controlled combiner and even that won't comply after January 1 unless we 
parallel more subarrays (There's safety for you, lower voltage-higher 
amperage!). Thanks for any insight.

Chris




-- 

          Christopher Warfel, PE
        ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
                (401)466-8978

EEI logo <http://entech-engineering.com>
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