[RE-wrenches] Battery cables in conduit?

[Tyrone Houck]

He could argue they are subject to physical damage but that's the only code
I am aware of that would require them to be in conduit.. split loom should
be sufficient if that's the case he's making.








On Mon, Mar 16, 2026, 12:33 PM Kirk Herander via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> I believe cables such as DLO and MTW fine-strand, flex cables should have
> a CT rating also plainly stamped on the jacket and indicated on their spec
> sheet. That's what I've used in free air cable trays.
>
> On Mon, Mar 16, 2026 at 3:16 PM Dave Tedeyan via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Hi All,
>>
>> I have just completed a battery installation where the battery cables are
>> run in free air for about 6" where they come out of a cabinet and go into a
>> wire trough. The electrical inspector cannot give me a code reference to
>> say that they have to be in conduit and is asking me to prove that they do
>> not have to be in conduit. The cables are from BatterycablesUSA and are the
>> ones noted below. I am also attaching a photo. The cables are coming from a
>> drywalled battery box, just on the other side of that wood. I know that
>> these cables are very often run not in conduit, but I am having trouble
>> finding a reference that says that is okay. Does anyone have something in
>> mind?
>>
>> Thanks!
>> -Dave
>> [image: image.png]
>>
>> --
>>
>> Dave Tedeyan, P.E.
>> Owner | Sungineer Solar
>> p: he | him | his
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>>
>> <https://www.google.com/maps/search/1653+Slaterville+Rd.+%C2%A0+%7C%C2%A0Ithaca,+NY+14850?entry=gmail&source=g>| Ithaca,
>> NY 14850
>> <https://www.google.com/maps/search/1653+Slaterville+Rd.+%C2%A0+%7C%C2%A0Ithaca,+NY+14850?entry=gmail&source=g>
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>> c: (607) 270-0370
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>
> --
>
>
> *Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*
>
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