[RE-wrenches] Neutral run to critical loads sub-panel

[Jason Szumlanski]

See 300.3(B). I think that's what you are looking for.

Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208

On Mon, Jul 29, 2024 at 11:53 PM William Miller via RE-wrenches
<re-wrenches at lists.re-wrenches.org> wrote:
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> Friends:
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> I found a grid-tie battery-backup system with a 120/240 VAC critical loads sub-panel that has no neutral run to it.  All of the 120 VAC loads have their neutrals land in the meter panel.
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> I have always felt instinctively that the neutrals should land in the breaker panel that feeds the circuit.  I have looked through the NEC to find a passage that spells this out but I can seem to find one.
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> Is this a code requirement?  Is this recommended practice?
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> Thanks in advance.
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> William Miller
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> Miller Solar
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> 17395 Oak Road, Atascadero, CA 93422
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> 805-438-5600
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> www.millersolar.com
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> CA Lic. 773985