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October 22, 2009 A Penton Media Publication Vol. VII No. 20



CONTENTS
Pending Code Change Item for 2011 NEC

What's Wrong Here?

Code Q&A

Code Quiz

Code Committee Call-Up

State Electrical Regulations



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    Change Proposals
    Pending Code Change Item for 2011 NEC
    As noted in the NEC Committee Report on Proposals, 2010 Annual Revision Cycle, Code-Making Panel 17 has voted to accept a Code change submitted by James S. Conrad, Tyco Thermal Controls, (Log #2732 NEC-P17). Conrad recommended deleting the second half of the only sentence in this requirement. The revised text would appear as follows:

    "Ground-fault protection of equipment shall be provided for fixed outdoor electric deicing and snow-melting equipment, except for equipment that employs mineral-insulated, metal-sheathed cable embedded in a noncombustible medium." He notes that mineral insulated cables employ different types of metal sheaths, not all of which are suitable as ground fault return paths. He also notes this revision would harmonize the NEC with the Canadian Electrical Code, which requires ground-fault protection, not only for embedded electric deicing and snow-melting cables, but for all electric heating cables, regardless of their application.

    The document is open for public review and comment through October 23, 2009. You can download an electronic version of the report via the NFPA Web site.

    All interested parties are urged to read this report and submit their comments on the forms provided in the report. Each comment received on or before the closing date of the comment period will be considered and acted upon by the NEC Code Committee. The results of the committee action will be published in the NEC Committee Report on Comments, which will be made available to all who request it. The Report on Comments mail date is scheduled for March 29, 2010.


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    Code Challenge
    What's Wrong Here?
    By Brian J. McPartland
    Think you know how this installation violates the NEC? Visit EC&M's Web site to see the answer. Hint: Separation from power conductors


    Code Q&A
    By Mike Holt
    Q. Can I install a panel in the clothes closet of a house if the working space of 110.26 is maintained?

    Visit EC&M's Web site to see the answer.


    Code Quiz
    By Steven Owen
    When installing receptacles for circuits and equipment operating at less than 50V in kitchens, laundries and other locations where portable appliances are likely to be used, the minimum receptacle rating shall be not less than ___ amperes.

    1. 15A
    2. 20A
    3. 15A and 20A
    4. There is no requirement for receptacle ratings for circuits less than 50V.

    Visit EC&M's Web site for the answer and explanation.


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    Code News Update
    Code Committee Call-Up
    Got some extra time on your hands? Looking to put some of your vast knowledge of the electrical field to use? NFPA is looking for new members for several of its committees, including the following:
    • Committee on Electrical Equipment Evaluation (seeking members in all interest categories).
    • Committee on Electrical Systems Maintenance (seeking members in all interest categories, except special experts). This committee is responsible for NFPA 73, Electrical Inspection Code for Existing Dwellings.
    Anyone interested in serving can download the application form at NFPA’s Web site.



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    Electrical Resources
    State Electrical Regulations
    Looking for a guide to state electrical codes, enforcement agencies, and contractor/electrician licensing requirements? Then check out the State Codes and Licenses page on the NECA Web site. This reference can come in handy when venturing out into a new geographic work area or taking up residence in a new state. But that's not all. The site also offers detailed information on low-voltage licensing requirements and contact information for enforcement agencies overseeing the installation of these types of systems (i.e., fire alarm and security).


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