[RE-wrenches] NEC 690.55 - "maximum operating voltage"

[Bob Clark]

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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