Item for 2011 NEC
Maryland Adopts 2008 NEC
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The designations "National Electrical Code" and "NEC" refer to the
National Electrical Code®, which is a registered
trademark of the National Fire Protection Association.
Pending Code Change Item for 2011
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
all who request it. The Report on Comments mail date is
for March 29, 2010.
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
What's Wrong Here?
By Brian J. McPartland
Think you know how this installation violates the
Web site to see the answer.
Hint: Deteriorating agents
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.
By Steven Owen
With respect to Art. 240 (Overcurrent Protection),
of the following scenarios permits the use of a slash rated circuit
breaker in a circuit?
- Corner grounded 480V, 3-phase system
- Resistance grounded 480/277V, 3-phase system
- Ungrounded 480V, 3-phase system
- Solidly grounded 480/277V, 3-phase system
- None of the above
Web site for the answer and explanation.
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.
Code News Update
Montgomery County Maryland Adopts
On Jan. 12, 2010, the County Council for Montgomery
County, Maryland approved Executive Regulation 15-09, Adoption of
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
previous amendments and adds a new one. You can view the amendments by
Video - Keeping Electronics Cool
EXAIR's low cost
Cabinet Cooler® Systems stop electronic control downtime
dirt and moisture. They produce 20 degree Fahrenheit air from an
ordinary supply of compressed air. Thermostat control minimizes air
usage. Maintains the NEMA 4, 4X (stainless steel) and 12 rating of the
enclosure. Visit the website for complete information, a video, CAD
drawings and PDF literature. http://www.exair.com/15/54015.htm
Shows and Events
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
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.
For more information, visit our Web
site, or click here
- Analysis of 2011 NEC Changes
- Understanding Important NEC Requirements
- Dwelling Calculations
- Advanced NEC Calculations
- Grounding vs. Bonding
- Swimming Pools and Similar Installations
FREE Expo Pass -- Click here
to receive your complimentary pass to Electric West, a $55 value!
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