[RE-wrenches] Battery cables in conduit?

[Kirk Herander]

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
> a: 1653 Slaterville Rd. | Ithaca, NY 14850
> w: www.sungineersolar.com <http://www.sungineersolar.com/>
> c: (607) 270-0370
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-- 


*Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*

*Owner|Principal, VT Solar, LLC*

*Celebrating our 35th Anniversary 1991-2026!!*

dba Vermont Solar Engineering

802.559.1225
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