[RE-wrenches] Square D Disconnects mounted on the slope of the roof.

Ray Walters ray at solarray.com
Sat Nov 9 10:35:06 PST 2013


We've made up mounting brackets with unistrut for this purpose as well.  
We just bend their regular 45 deg angle brackets to match the roof 
tilt.  It's a bit of work though, so we are going to other solutions 
like the Soladek, or just putting the combiner box in a different location.

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 11/9/2013 11:01 AM, Drake wrote:
> A NEMA 3R box can be mounted vertically on a sloping roof by attaching 
> brackets to the sides of the box and leveling the box. The bracket or 
> L-foot can allow the box to swivel to vertical.
>
> Emacs!
>
>
> At 09:33 AM 11/8/2013, you wrote:
>
>> Hi Kirpal,
>> All Square D safety switches are UL tested in the Vertical position 
>> ONLY,
>> so if someone is trying to install a switch in any other position other
>> than vertical, that will be between them and the inspector. Hope this 
>> helps.
>> Eric
>> _____________________________________________________________________________________ 
>>
>> *
>> Eric Bentsen*  | *Schneider Electric **  |  Solar Business*  | 
>> *UNITED STATES* | *Technical Support Representative* *
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>>
>>
>> From: Kirpal Khalsa <solarworks at gmail.com>
>> To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
>> Date: 11/07/2013 01:42 PM
>> Subject: [RE-wrenches] Square D Disconnects mounted on the slope of 
>> the roof.
>> Sent by: re-wrenches-bounces at lists.re-wrenches.org
>>
>>
>>
>>
>>
>> Hi Folks!!!
>> Anyone aware of minimum slope requirements for Square D 321RB 
>> disconnects....Can they be mounted on rails parallel to the slope of 
>> the roof like Outback and Midnite solar combiner boxes(down to a 3/12 
>> pitch)
>> I can't seem to find any notes stating the limitations in 
>> manufacturer documentation...... They are NEMA 3 of course....
>> Thanks in advance for any direction you can provide....
>>
>> Sunny Regards,
>> Kirpal Khalsa
>> NABCEP Certified PV Installation Professional
>> Renewable Energy Systems_
>> www.oregonsolarworks.com <http://www.oregonsolarworks.com/> _
>> 541-218-0201 m
>> 541-592-3958 o
>>
>>
>>
>>
>>
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