[RE-wrenches] cable trays and battery cable

jay jay.peltz at gmail.com
Sun Feb 5 13:56:42 PST 2023


Have you looked at 

https://www.snaketray.com/product-catalog/solar-snake-tray/ <https://www.snaketray.com/product-catalog/solar-snake-tray/>

jay

> On Feb 5, 2023, at 1:48 PM, Kirk Herander via RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
> 
> All,
> I'm just starting a 500kwh LFP battery system that requires a max. distance of 40' from each battery cabinet to the DC combiner.
> 
> I am considering using a cable tray instead of an enclosed wireway for this. The battery cable used is ALL-Flex CT multi-rated MTW / THHW, and will be greater than or equal to 1/0, per NEC 392.
> I haven't read up  a lot yet on it but I assume cable tray allows single conductor ampacity to be sized as in free air per 310.17, with perhaps some caveats.
> 
> Have any of you used cable tray in a similar fashion? Pointers? Thanks.
> 
> -- 
> Kirk Herander /  <>kirkh at vermont.solar <mailto:kirkh at vermont.solar>
> Owner|Principal, VT Solar, LLC
> Celebrating our 32st Anniversary 1991-2023!!
> dba Vermont Solar Engineering
> 802.863.1202
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