Exactly, when we had problems most inspectors would let us swap out for
standard breakers. I'd check with the micro manufacturer and see if they
have one that's compatible but as Brian said they took that code
requirement out of the 2017 NEC so I must have had my dates mixed up and it
was in the
Hi Will,
Sorry, didn’t mean too.
Reading between the lines, once inspected the faulty breaker was somehow
replaced with a normal one.
And so to my question, at this point they are no known arc/ground fault
backfeed approved rated breakers?
Jay
> On Apr 25, 2019, at 11:45 AM, Will White
Jay,
You're triggering some serious PTSD with this question. When 2017 NEC came
out Mass was the first state to adopt it and the inspectors started
requiring arc fault breakers on the micro inverter branch circuits, we were
using Enphase. At the time they didn't work, weren't really listed for
of Jay
Sent: Thursday, April 25, 2019 7:15 AM
To: re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Micro inverter OCP
EXTERNAL EMAIL - Use caution when responding, clicking, and/or downloading
attachments.
Hi all,
For micro inverters, what OCP is available for ground fault ( or arc
Is this in regards to 2014 NEC 705.12(D)(6)? This requirement was deleted
in 2017.
Brian Mehalic
NABCEP Certified Solar PV Installation Professional™ R031508-59
National Electrical Code® CMP-4 Member
(520) 204-6639
Solar Energy International
http://www.solarenergy.org
SEI Professional Services
Hi all,
For micro inverters, what OCP is available for ground fault ( or arc fault)
for roof top mounted on a living structure?
Thx
Jay
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