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February 18, 2010 A Penton Media Publication Vol. VIII No. 4



CONTENTS
Pending Code Change Item for 2011 NEC

What's Wrong Here?

Code Q&A

Code Quiz

Montgomery County Maryland Adopts 2008 NEC

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 13 has voted to accept a Code change submitted by Stanley Kaufman, CableSafe, Inc. (Log #143 NEC-P13). The recommendation calls for revising the text of Sec. 708.14(4) as follows:

    "(4) A listed primary protector shall be provided on all communications circuits. Listed secondary protectors shall be provided at the terminals of the communications circuits."

    As noted in the substantiation summary, the fine print note in Sec. 800.90(D) warns that secondary protectors are not intended to be used without primary protectors.

    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: Deteriorating agents


    Code Q&A
    By Mike Holt
    Q. If I run PVC between the meter and service disconnect, is an equipment grounding conductor required?

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


    Code Quiz
    By Steven Owen
    With respect to Art. 240 (Overcurrent Protection), which of the following scenarios permits the use of a slash rated circuit breaker in a circuit?

    1. Corner grounded 480V, 3-phase system
    2. Resistance grounded 480/277V, 3-phase system
    3. Ungrounded 480V, 3-phase system
    4. Solidly grounded 480/277V, 3-phase system
    5. None of the above

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


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    Code News Update
    Montgomery County Maryland Adopts 2008 NEC
    On Jan. 12, 2010, the County Council for Montgomery County, Maryland approved Executive Regulation 15-09, Adoption of the National 2008 Electrical Code. This regulation applies to all electrical equipment, installation and activities in the county. However, it's important to note that adoption of the most current version of the Code was not done in full. The new regulation retains all previous amendments and adds a new one. You can view the amendments by clicking here.


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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.

    FREE Expo Pass -- Click here to receive your complimentary pass to Electric West, a $55 value!

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