[RE-wrenches] NEC 690.55 - "maximum operating voltage"
Glenn Burt
glenn.burt at glbcc.com
Tue Jun 11 04:21:23 PDT 2013
Equalization voltage is how we have interpreted this. It clearly does not say nominal.
-----Original Message-----
From: "Bob Clark" <bclark at solar-wind.us>
Sent: 6/10/2013 23:08
To: "'RE-Wrenches'" <re-wrenches at lists.re-wrenches.org>
Subject: [RE-wrenches] NEC 690.55 - "maximum operating voltage"
RE_Wrenches:
Can someone tell me what is being referred to in NEC 690.55 when it says
"Photovoltaic power systems employing energy storage shall also be marked
with the "maximum operating voltage, . . ." ?
We have an off-grid system which employs energy storage [i.e.; batteries];
so I need to know what exactly is referred to when this section mentions
"maximum operating voltage" so I can put it on a sign.
Bob Clark
SolarWind Energy Systems, LLC
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