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Pending Code Change
Item for 2011 NEC
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Cast Your Vote for the EC&M
Product of the Year!
Would you like to help pick the prestigious EC&M
Product of the Year winner and qualify for a chance to win $100? If
you're an EC&M subscriber, make your vote count by visiting the
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help us identify the 2010 EC&M Product of the Year Platinum,
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voting poll will remain open through 5 p.m. on June 18, 2010. Please,
only one vote per EC&M subscriber. Any votes received from
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Imagine the possibilities.
The New Fluke 233 Remote
Display Digital Multimeter allows you to be in two places at once. The
removable magnetic display allows you to be 30 feet away from the
measurement point. See how it will expand your capabilities. www.fluke.com/remote_display_meter
Pending Code Change Item for 2011
As noted in the NEC Committee Report on
Proposals, 2010 Annual Revision Cycle, Code-Making Panel 12 has
voted to accept a Code change submitted by Rodney Belisle, NIETC (Log
#250 NEC-P12). The recommendation calls for revising the text of Sec.
645.17 as follows:
"Power distribution units that are used for information technology
equipment shall be permitted to have multiple panelboards within a
single cabinet, provided that
each panelboard has no more than 42
overcurrent devices and the power distribution unit is utilization
equipment listed for information technology application."
As noted in the submitter's substantiation summary, this was a
that was implemented into Art. 408 during the 2008 revision cycle with
removal of 408.35. Unfortunately, Art. 645 was unintentionally
overlooked during the correlation process.
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
all who request it. The Report on Comments mail date is
for March 29, 2010.
Have a UL White Book but not sure how to use
Discover why the UL White Book is Part 2 of the NEC and
how it will help you avoid "Red Tagged" jobs. Click here to learn how to
use the White Book FREE online or to order a copy.
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: Required field marking
By Mike Holt
Q. In an EMT installation, does the equipment
grounding conductor need to be connected to each junction box if the
boxes contain no splices (the conductors are pulled straight through)?
Visit EC&M's Web
site to see the answer.
By Steven Owen
When installing outlet boxes designed for the support
luminaires, what are the specifics when the luminaire weighs more than
- The luminaire shall be supported independently of the outlet box.
- The outlet box shall be listed for the application and marked for
the maximum weight permitted.
- Both (a) and (b) are permitted
- No fewer than four No. 8 screws may be used to support any
Web site for the answer and explanation.
Cool Electronic Cabinets
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moisture. They produce 20 degree air from an ordinary supply of
compressed air to cool electrical controls. Thermostat control
air usage. Maintains the NEMA 4, 4X (stainless steel) and 12 rating of
the enclosure. Web site offers detailed information, a video, CAD
drawings, and PDF literature. http://www.exair.com/15/540_03b.htm
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 a couple of its committees, including the
Anyone interested in serving can download the application form at NFPA’s Web
- Committee on Flash Fire Protective Garments (seeking members in all
interest categories, except manufacturers). This committee is
responsible for NFPA 2112, Resistant Garments for Protection of
Industrial Personnel Against Flash Fire, and NFPA 2113, Standard
on Selection, Care, Use, and Maintenance of Flame-Resistant Garments
Protection of Industrial Personnel Against Flash Fire.
- Committee on Health Care Facilities – Electrical Systems (seeking
members in all interest categories, except special experts). This
committee is responsible for chapters in NFPA 99, Standard for
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