[RE-wrenches] Cable tray

[Chris Mason]

And yet, in Europe, it is.


On Sun, Mar 31, 2013 at 2:49 PM, Ryan <ryan at kb1uas.com> wrote:

>  I have to agree with Dan. Making disconnects that can open 1000vdc under
> load as compared to 600vdc under load will be far more pricey. To "Rate"
> all gear for 1000vdc will be prohibitive.
>
>
> Ryan
>
> Ryan Stankevitz
> Technical Support Manager
> MidNite Solar Inc.ryan at midnitesolar.com360-403-7207 XT 151
> Skype ID ryan.midnite
>
>
>
> On 3/31/2013 12:09 PM, Exeltech wrote:
>
>   Hello Chris,
>
> From a manufacturer's perspective .. you're incorrect on all assumptions.
> (Sorry.)
>
> It costs more to make higher-voltage anythings.
>
> Higher voltage means: Clearance / creepage distances are larger (thus
> bigger
> parts or products).  Insulation must be thicker (or have a higher
> dielectric rating).
> This results in more rigorous (consequently more expensive) UL testing.
> Etc.
> All adds up.
>
> Dan
>
>
> --- On *Sun, 3/31/13, Chris Mason <cometenergysystems at gmail.com><cometenergysystems at gmail.com>
> * wrote:
>
>
> From: Chris Mason <cometenergysystems at gmail.com><cometenergysystems at gmail.com>
> Subject: Re: [RE-wrenches] Cable tray
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org><re-wrenches at lists.re-wrenches.org>
> Date: Sunday, March 31, 2013, 8:21 AM
>
>  As we see more 1000V installations, chances are that 600V rated
> equipment will find its way into installations it is not rated for. To
> avoid problems and so we don't need two SKUs and lots more inventory, the
> manufacturers need to move all their product to 1000V ratings. I suspect it
> does not cost more to make 1000V wire than 600V, similarly disconnects,
> fuses, fuse holders and connectors.
>
>
>
>
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-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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