[RE-wrenches] Cable tray

[Chris Mason]

Again, don't have any inspectors, so it is down to me to decide if the use
is reasonable and safe.

On Mon, Mar 25, 2013 at 6:46 PM, David Brearley <
david.brearley at solarprofessional.com> wrote:

> Uses permitted. 392.10(B)(1) requires that single conductor cable in cable
> tray be size 1/0 or larger.
>
> Here's the deal, though. NEC 2014 will add "Service Entrance Cable: Types
> SE and USE" to Table 392.10(A). It is not in that table now, which is why
> inspectors turn to 392.10(B). That means that under 390.10(A) in NEC 2014,
> Type USE conductor can be used in cable tray according to the methods
> outlined in Article 338. And references in 690.31 make it clear—if it isn't
> already— that PV Wire and USE-2 can generally be used interchangeably in PV
> systems, and that cable tray is accepted for source circuit conductors.
>
> So if you ever get called on 392.10(B)(2), I think you can point out that
> the Code Making Panels have been busy clarifying that cable tray is okay
> for source circuit conductors. Unless I'm missing something....
>
>
> In Mar 25, 2013, at 5:17 PM, Chris Mason wrote:
>
> What part of 392 would be a problem?
>
> On Mon, Mar 25, 2013 at 6:12 PM, Glenn Burt <glenn.burt at glbcc.com> wrote:
>
>> I think you will find it difficult to adhere to Article 392 and use a
>> cable tray on a rooftop with source circuit conductors, if that is your
>> hope.****
>>
>> ** **
>>
>> -Glenn****
>>
>> ** **
>>
>> *From:* re-wrenches-bounces at lists.re-wrenches.org [mailto:
>> re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Chris Mason
>> *Sent:* Friday, March 22, 2013 3:08 PM
>> *To:* RE-wrenches
>> *Subject:* [RE-wrenches] Cable tray****
>>
>> ** **
>>
>> I'm looking for flat roof cable tray system that is cost effective. We
>> previously used Cablofil and Cablo-port FSL 12" tray but it is very
>> expensive for our current application due to the size of the roof. We need
>> to install about 200' of tray and Cablofil galvanized is eating up the
>> budget. Can anyone recommend a cheaper alternative.
>> ****
>>
>> ** **
>>
>> --
>> Chris Mason****
>>
>> ** **
>>
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>
>
> --
> Chris Mason
> President, Comet Systems Ltd
> www.cometenergysystems.com
> Cell: 264.235.5670
> Skype: netconcepts
> _______________________________________________
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-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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