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

[William Miller]

Bob:

I use the MPPT voltage.

Wm


At 08:08 PM 6/10/2013, you wrote:
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>RE_Wrenches:
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>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
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