[RE-wrenches] WOW Something Gone Very Wrong

[David Brearley]

Perfect example of why it¹s a good idea to start designing and deploying
systems now that meet the fuse servicing requirements found in NEC 2011‹even
if these are not required by your AHJ yet.

People on this list are probably ahead of that curve. If not, you might want
to check out these articles:

http://solarprofessional.com/article/?file=SP4_3_pg14_QA_2&search=  (Bill
Brooks article on Fuse Servicing disconnect requirements)

http://solarprofessional.com/article/?file=SP4_3_pg64_Hren&search=  (Changes
to Code in 2011; See content under ³690.6, Fuses² subheading)

David Brearley, Senior Technical Editor
SolarPro magazine 
NABCEP Certified PV Installer 

On 3/29/12 9:36 AM, "Mark Frye" <markf at berkeleysolar.com> wrote:

>    
>  
>  
>  
>  Rooftop solar installation sparks fires in Trenton, New Jersey 28.03.2012:
> According to local news portal NJ.com, a rooftop solar system has triggered
> several small fires at a recycling center in Trenton, New Jersey. The article
> reports that ³a major malfunction in the rooftop solar panelŠcaused small
> fires and surges of electricity producing arcs of current to break out.²
> According to Fire Battalion Chief Rich Seeds, ³There definitely was a problem
> with the installation, the equipment.² Firefighters on the scene said that an
> inverter was ³sparking and unusable.² The firefighters, with the help of
> electricians, had to manually disconnect the 100-panel system from the
> electrical grid before they could safely put out the fire. The fire started
> while electricians were hooking up junction boxes on the system. Earlier this
> month, a New Jersey General Assembly committee approved a bill (A266) that
> would require buildings to clearly label with an exterior emblem whether they
> have solar panels installed on the premises. The measure, recommended by the
> National Fire Protection Association, is aimed at protecting firefighters from
> dangers posed by solar panels. The greater Assembly has yet to discuss the
> bill, but the New Jersey Senate version of the bill (S507) was introduced in
> the Senate on Jan. 10, 2012 and is currently being reviewed by the Senate
> Environment and Energy Committee. Š Source: NJ.com, New Jersey Assembly
> Republicans, eLobbyist; Summary: PHOTON
> 
> http://www.nj.com/mercer/index.ssf/2012/03/trenton_firefighters_battle
>  _ro.html 
> <http://www.nj.com/mercer/index.ssf/2012/03/trenton_firefighters_battle_ro.htm
> l> 
>  
> 
> http://www.njassemblyrepublicans.com/?p=2862
> <http://www.njassemblyrepublicans.com/?p=2862>
>  
> 



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