| CONTENTS
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Pending Code Change
Item for 2011 NEC
What's Wrong
Here?
Code Q&A
Code Quiz
California on
Track
with Adoption of New Codes
Electric West
2010
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About this Newsletter
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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 Thomas Guida, TJG Services,
Inc. (Log #2915 NEC-P13). The recommendation calls for revising the
text
of Sec. 708.14(1), (2), (5), (7) and (8) as follows:
"(1) All cables for fire alarm, security, sSignal
systems and emergency communications wires
shall be use shielded twisted pairs
cables."
"(2) Shields of cables for fire alarm, security, signal systems
and emergency communications signal and communication wires
shall be continuous."
"(5) Conductors for all control circuits rated above 50V shall be
installed with wire rated not less than 600V."
"(7) RiserAll cables for fire alarm, security, signal
systems and emergency communications communication cables
shall be riser-rated and shall be 2-hour fire resistive cable
or a listed 2-hour electrical circuit protective system."
"(8) Control, monitoring, and power wiring to HVAC systems shall be
2-hour fire-resistive cable or a listed 2-hour electrical
circuit
protective system."
As noted in the submitter's substantiation summary, these changes
are
meant to clarify which cable types require shielded twisted pairs, and
which require riser ratings. Two hour fire resistive cable in conduit
as
required by 708.10(C)(1) is an electrical circuit protective system.
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: Size of feeder conductor
Code Q&A
By Mike Holt
Q. Can a receptacle be used as a splicing
device?
In other words, can we use all four screws (hot and neutral) on the
receptacle?
Visit EC&M's Web
site to see the answer.
Code Quiz
By Steven Owen
When installing outlet boxes for wall-mounted
luminaires, when can you use No. 6 screws to secure the luminaire yoke
to a plaster ring, which is attached to the wall-mounted outlet box?
- Never
- Only when the plaster ring is secured on all four corners.
- Only when the plaster ring has an properly sized equipment bonding
jumper attached to it.
- When the wall-mounted luminaire weighs 6 lb or less, and is
supported by no fewer than two No. 6 screws.
Visit EC&M's
Web site for the answer and explanation.
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use the White Book FREE online or to order a copy.
Code News Update
California on Track with Adoption
of
New Codes
According to a recent Code Alert issued on March 2,
2010
by the National Electrical Manufacturers Association (NEMA), California
is moving forward with plans to adopt new building related codes. The
alert states, "At the recent annual meeting of the California Building
Officials (CALBO), California Building Standards Commission Executive
Director Dave Walls announced that on Jan. 12, 2010, the Commission
approved adoption of the 2010 California Building Code, 2010 California
Residential Code, 2010 California Green Building Code, and the 2010
California Electrical Code."
The new codes are scheduled to be published on or before July 1,
2010
with an enforcement date of Jan. 1, 2011. The alert also notes the 2010
California Electrical Code is based on the 2008 NEC with State
amendments. The amendments are deemed minimal.
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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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