[RE-wrenches] Location of DC disconnect vis-a-vis rapid shutdown exemption

Mark Frye markf at berkeleysolar.com
Mon Apr 16 00:04:03 EDT 2018


Thanks Darryl.

I guess I can add that I am in CA and so looked only at the 2014. I also 
looked at the 2017 article. Man, I have to say, my impression remains 
that really starting with 2008 the code has just gotten worse and worse 
when it comes to PV, but that is just me.

Not really sure what might need to be "Outside readily accessible". Is 
there something other than 690.12 that I need to look at?

Mark

On 4/15/2018 8:26 PM, Darryl Thayer wrote:
> I think the code says Outside readily accessible,
>
> On Sun, Apr 15, 2018 at 12:22 PM, Mark Frye <markf at berkeleysolar.com 
> <mailto:markf at berkeleysolar.com>> wrote:
>
>     Folks,
>
>     As I recall, an inverter and it's integrated DC disconnect need
>     only be placed in an accessible location. I am thinking of putting
>     an inverter high up on the wall inside a garage. That would be OK
>     vis-a-vis the location of the disconnect (still accessible for
>     maintenance).
>
>     If I do put the inverter high up on the wall, I can limit my DC
>     conductors to less that 10 feet total from the array and less that
>     5 feet inside the garage.
>
>     That means I get the exemption from the rapid disconnect
>     requirement, right?
>
>     There is nothing in the Code linking the accessibility of the DC
>     disconnect to the exemption from rapid shutdown, right?
>
>     Mark Frye
>
>
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