[RE-wrenches] 2011 code changes

[Bill Brooks]

Rebecca,

Although I recommended delaying the implementation of arc-fault detectors,
the Code Making Panel felt that the hazard justified the requirement.
Article 90.4 clarifies the NEC's approach to your concern:
********************
90.4 (paragraph 3)
This Code may require new products, constructions, or
materials that may not yet be available at the time the Code
is adopted. In such event, the authority having jurisdiction
may permit the use of the products, constructions, or materials
that comply with the most recent previous edition of
this Code adopted by the jurisdiction.
********************

This is helpful, but once a single listed product is available (this will
probably happen mid 2011), a jurisdiction is likely to require it.

Bill.


-----Original Message-----
From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Rebecca
Lundberg
Sent: Friday, October 22, 2010 8:35 PM
To: re-wrenches at lists.re-wrenches.org
Subject: [RE-wrenches] 2011 code changes

Hello Bill and other Wrenches,

I have seen comments such as this multiple times over the last few
months. Could you please explain how it is allowed for code to require
something that is not available? How is this not discouraging to the
solar industry? I understand pushing the envelope, but as an installer
this type of comment feels like a deal-breaker? Please help me
understand how this is going to impact efforts towards increased
renewable energy adoption.

 "The 2011 NEC already requires series arc fault detection, which is
not currently available nor are there published standards to evaluate
them. It is an interesting time with lots of changes currently
underway."

Rebecca Lundberg
Powerfully Green, Minnesota
_______________________________________________
List sponsored by Home Power magazine

List Address: RE-wrenches at lists.re-wrenches.org

Options & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive:
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out participant bios:
www.members.re-wrenches.org