[RE-wrenches] Battery RSD

[MD Electric & Solar]

Correct, it does not have an external disconnect, but if you open the
cover, each battery has it's own disconnect and the Sol-Ark has a battery
disconnect.
Looks like I'm in the market for a 100 amp rated outdoor, lockable DC rated
knife switch.
Mike

On Tue, Jul 29, 2025 at 9:16 AM jay <jay.peltz at gmail.com> wrote:

> I had to look up that battery enclosure and if I understand correctly it
> does not have an external breaker/disconnect so yes the inspector is
> correct in the need for one if I understand.
>
> jay
>
>
>
>
>
> On Jul 29, 2025, at 10:09 AM, MD Electric & Solar <
> mdelectricsolar at gmail.com> wrote:
>
> Here is the reference, attached.
>
> On Tue, Jul 29, 2025 at 8:49 AM jay <jay.peltz at gmail.com> wrote:
>
>> I’ll let the code experts chime in, but I would ask for the code
>> reference they are referring to.
>>
>> The only one I can think of has to do with if the batteries are on the
>> other side of a wall.
>>
>>  Thats as clean an install as they come
>>
>> jay
>>
>>
>>
>> > On Jul 29, 2025, at 9:43 AM, MDElectricSolar <mdelectricsolar at gmail.com>
>> wrote:
>> >
>> > <image0.jpeg>
>> > Michael D Nelson
>> > MD Electric & Solar, Inc.
>> > 707-684-0064 mobile
>> > 707-884-1862 office
>> > www.mdelectricsolar.com
>> > www.facebook.com/mdelectricandsolar
>> >
>> >
>> >> On Jul 29, 2025, at 8:06 AM, Jay via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>> >>
>> >> What is the layout of the equipment
>> >>
>> >> Are the batteries next to and therefore in sight of the inverter?
>> >>
>> >> Jay
>> >>
>> >>> On Jul 29, 2025, at 8:44 AM, MDElectricSolar via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>> >>>
>> >>> Wrenches,
>> >>> I have a building inspector in my county of Sonoma who has just told
>> me that we need to install a rapid shutdown switch of some type between my
>> LFZ battery bank and my Solark 15k inverter. He mentioned some type of
>> knife switch within 5 feet of the equipment. I cannot find any reference to
>> this requirement anywhere but he insists it is required. These batteries
>> happen to be simplify or brakes and Stratton batteries and each battery has
>> its own 80 amp breaker on the battery and the Solark has a battery
>> disconnect switch built-in. We do have module level RSD which kills the
>> solar output as well as the inverter output when the button is pushed. Does
>> anyone have any experience with this or can they point me to the correct
>> code section or what are others doing to comply with this requirement?
>> >>>
>> >>>
>> >>> Michael D Nelson
>> >>> MD Electric & Solar, Inc.
>> >>> 707-684-0064 mobile
>> >>> 707-884-1862 office
>> >>> www.mdelectricsolar.com
>> >>> www.facebook.com/mdelectricandsolar
>> >>>
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>
> --
> Michael D Nelson
> MD Electric & Solar Inc.
> Office: 707-412-3181
> Cell: 707-684-0064
> www.mdelectricsolar.com
> www.facebook.com/mdelectricandsolar
>
>
> <PRMD BLD_20250728_062230.pdf>
>
>
>

-- 
Michael D Nelson
MD Electric & Solar Inc.
Office: 707-412-3181
Cell: 707-684-0064
www.mdelectricsolar.com
www.facebook.com/mdelectricandsolar
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