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November 19, 2009 A Penton Media Publication Vol. VII No. 22



CONTENTS
Pending Code Change Item for 2011 NEC

What's Wrong Here?

Code Q&A

Code Quiz

Electric West 2010



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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 4 has voted to accept a Code change submitted by the Michael J. Johnston, National Electrical Contractors Association (Log #562 NEC-P04). The recommendation calls for revising the text of 230.54(A) and (B) to read as follows:

    "(A) Service Head. Service raceways shall be equipped with a service head at the point of connection to service-drop conductors. The service head shall comply with the requirement for fittings in 314.15. be listed for use in wet locations."

    "(B) Service Cable Equipped with Service Head or Gooseneck. Service cables shall be equipped with a service head. The service head shall comply with the requirement for fittings in 314.15. be listed for use in wet locations."

    As noted in the substantiation summary, this change will address the usability of the Code. As noted by the submitter, "The requirement should appear clearly within these two rules for service weatherheads rather than needing to refer to another rule to find what is required."

    You can download an electronic version of the report via the NFPA Web site.

    Although the comment period is now closed, the results of the committee action on all submitted comments 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: Physical protection


    Code Q&A
    By Mike Holt
    Q. I need to run a feeder to a pool house panel. What are the wiring methods required for this type of installation?

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


    Code Quiz
    By Steven Owen
    Fill in the blank
    A branch circuit overcurrent device is a device capable of providing protection for ________, _________, and branch circuits and equipment over the full range of overcurrents between its rated current and its interrupting rating. Branch circuit overcurrent protective devices are provided with interrupting ratings appropriate for the intended use, but no less than 5,000A.

    1. overloads, underloads
    2. service, feeder
    3. taps, conductors
    4. auxiliary gutters, wireways

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


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    Shows and Events





    Electric West 2010

    The Electric West Show, to be held March 16-18, 2009 at the Las Vegas Convention Center, is the perfect place to brush up on the latest NEC topics — and earn continuing education credits in the process. Geared toward electrical contractors, consulting & specifying engineers, electricians, and plant facility personnel, the conference program will offer the following NEC seminars, presented by industry experts such as Mike Holt, Keith Lofland, and Edward Gorginian.
    • Analysis of 2011 NEC Changes
    • Understanding Important NEC Requirements
    • Dwelling Calculations
    • Advanced NEC Calculations
    • Grounding vs. Bonding
    • Swimming Pools and Similar Installations
    For more information, visit our Web site, or click here to register.



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