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September 10, 2009 A Penton Media Publication Vol. VII No. 17

Pending Code Change Item for 2011 NEC

What's Wrong Here?

Code Q&A

Code Quiz

South Carolina Building Council Contemplates Code Version

Call for Presentations


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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 3 has voted to accept a Code change submitted by Merton W. Bunker, Jr., U.S. Department of State, (Log #1173 NEC-P03). Bunker recommended adding a new item to 725.3 to read as follows: "(H) Raceways Exposed to Different Temperatures. Installations shall comply with 300.7(A)." He notes that condensation often forms in conduit exposed to non-conditioned and condition space, and this change will bring the requirements of 300.7(A) into Art. 725.

    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: Was the installer color blind?

    Code Q&A
    By Mike Holt
    Q. We have a heat tape system installed on a metal roof. The heat tape has arced against the metal before, and we are concerned we will burn the place to the ground. Someone told us to use a GFCI on the circuit, and someone else told us not to. Does the NEC offer any guidance here?

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

    Code Quiz
    By Steven Owen
    When installing freestanding-type partitions that are cord- and plug-connected, electrically connected, and mechanically contiguous, which of the following statements is true?

    1. The partition(s) shall not exceed 30 ft when assembled. The partition may be supplied by a single flexible cord and plug. The cord and plug shall be a minimum 12 AWG, extra hard usage and contain an insulated equipment grounding conductor. The cord shall also be a maximum of 2 ft in length.
    2. The receptacle supplying power to the partition(s) shall be on a separate circuit servicing only panels and no other loads. It shall also be located not more than 12 in. from the partition it is connected to.
    3. Individual partitions or groups of interconnected individual partitions shall not contain more than 13 15A, 125V receptacle outlets.
    4. Individual partitions or groups of interconnected individual partitions shall not contain multiwire circuits.
    5. All of the above.

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

    Cool Electronic Cabinets
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    Click here for more information.

    Code News Update
    South Carolina Building Council Contemplates Code Version
    Now that South Carolina has adopted the 2008 NEC, as of July 1, 2009, a question recently arose at the South Carolina Building Codes Council meeting in late August, concerning which edition of the Code (2005 or 2008) should be used as a reference for the 2006 International Residential Code (IRC).

    According to a notice posted on its Web site, the question addressed by the Building Codes Council was "based on the language of the preamble for Chapter 33 of the IRC, which states the requirements of the chapter are based on the 2005 NEC."

    After reviewing the language of the preamble — along with the applicable state law — the notice also indicates that council members concluded the 2008 NEC is the current electrical code; therefore, it should be "duly adopted and implemented." In addition, it agreed that two editions of the same code cannot be valid at the same time. The Council also drew the following conclusions:

    • Construction of single- and two-family residences, including all related systems, must be in compliance with the IRC; and
    • If a specific issue is not addressed in the electrical section of the IRC, the 2008 NEC may be used.

    PowerTest 2010, February 15-18, 2010 in Long Beach, CA
    The InterNational Electrical Testing Association (NETA) will host the 2010 PowerTest Electrical Maintenance and Safety Conference February 15-18 at the Hyatt Regency in Long Beach, CA. Highlights include: Safety, Equipment, Reliability, Renewable Energy, and IAEI paper tracks, NERC/FERC symposium, three panels, seminars, and an outstanding tradeshow. For more information visit

    Shows and Events
    Call for Presentations
    NFPA invites you to share your knowledge at the NFPA Conference & Expo in Las Vegas, June 7-10, 2010. The group is seeking out educational presentations in areas such as building & life safety, codes & standards, electrical systems, and research. Proposals are due by Friday, September 18, 2009. They must be submitted online through the NFPA Conference & Expo Web site. Selected speakers will receive a complimentary registration to the event.

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