[RE-wrenches] Square D DC disconnects

[Drake Chamberlin]

At 05:14 PM 1/9/2010, you wrote:
>I recently came across a revised technical bulletin from square D ( 
><http://ecatalog.squared.com/pubs/Electrical%20Distribution/Safety%20Switches/Heavy%20Duty/3110DB0401.pdf>http://ecatalog.squared.com/pubs/Electrical%20Distribution/Safety%20Switches/Heavy%20Duty/3110DB0401.pdf 
>)......

We would need to use method "D" with the three pole.  Method "C" 
would break the negative, leaving it ungrounded.


Drake Chamberlin
Athens Electric
OH License 44810
CO License 3773
NABCEP TM  Certified PV Installer
Office - 740-448-7328
Mobile - 740-856-9648  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20100110/6ef1bb51/attachment-0003.html>