Fault Circuit Interrupter (GFCI) Protection for Personnel – Take
Learn About the
in the 2008 National Electrical Code
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Top 2008 Code Changes
Fault Circuit Interrupter (GFCI) Protection for Personnel – Take
By Mike Holt
A new subsection expands GFCI protection requirements
for 15A and 20A, 125V receptacles near sinks in non-dwelling unit
210.8(B) Other Than Dwelling Units
”(5) Sinks. All 15A
and 20A, 125V receptacles installed within 6 ft of the outside edge of
the sink shall be GFCI-protected.”
”Exception No. 1: In industrial laboratories, receptacles used
to supply equipment where removal of power would introduce a greater
hazard can be installed without GFCI protection.”
”Exception No. 2: For receptacles located in patient care areas of
health care facilities, other than those covered under 210.8(B)(1),
protection shall not be required.”
Sections 517.20 and 517.21 further modify the requirements for GFCI
protection in health care facilities [90.3]. This new subsection is
intended to require GFCI protection near sinks for non-dwelling units.
Exception No. 1 was added for industrial laboratories where the
of a GFCI will introduce a greater hazard. The AHJ will need to
interpret and apply this rule since no explanation is provided as to
what constitutes a “greater hazard.”
Exception No. 2 leaves the requirement for GFCI protection of
receptacles installed in bathroom areas of health care facilities in
place [210.8(b)(1)], but excludes the GFCI-protection requirement if
located near the sinks in patient care areas of health care facilities.
The Fluke 1735 Power Logger is the ideal electrician or technician's
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electrical power parameters, harmonics, and captures voltage events. www.fluke.com/codewatch
By Joe Tedesco
Think you know how this installation violates the
Web site to see the answer.
Hint: Upgrade equals disaster
By Mike Holt
Q. Is the required working space for a panel
measured from the panel guts inside the panel or from the panel cover?
Visit EC&M's Web
site to see the answer.
By Steven Owen
Q. When installing a hand-hole enclosure flush
with the surface of the earth surrounding it, do you know how to
properly ground the enclosure, including the cover? The enclosure is
metallic. The dimension of the hand-hole enclosure is 24 inches wide by
24 inches long by 12 inches deep. The conductors installed in the hand
hole are feeders. The feeders are 2/0 AWG THWN-2 conductors installed
Schedule 80 PVC, which are turned up into the enclosure. The
equipment-grounding conductor for the circuit is based on the 175A
overcurrent device protecting the feeder conductors. What is the
appropriate Code section you should reference for this type of
installation? What is the appropriate size equipment grounding
and equipment-bonding jumper, which will bond the cover, for this
- Grounding is not required for enclosures that are smaller than 36
inches wide by 36 inches long by 18 inches deep. Therefore, there is no
Code section to reference.
- Section 250.66. Minimum conductor size is 8 AWG.
- Sections 314.30(D), 250.96(A), 250.102(C), 250.122 and Table
250.122. Minimum size equipment-grounding conductor and
equipment-bonding jumper is 6 AWG.
- Section 314.27, 250.92, 250.102(C), 250.122 and Table 250.122.
Minimum size equipment grounding conductor and equipment-bonding jumper
is 2/0 AWG.
Web site for the answer and explanation.
Walk-thru the basics of an Arc Flash study: Free One-Line, Arc
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implementation of your Arc Flash and Electrical Safety Program; what
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Code News Update
NEC Panels Restructured
Late last year, the NFPA Standards Council approved the
restructure and reassignment of several Code Making Panels and Articles
within the NEC. Panel 4 was restructured and assigned Articles 690,
and 705, in addition to 225 and 230. Panel 13 was restructured and
assigned Article 708, in addition to 445, 455, 480, 695, 700, 701, and
702. These new assignments will be reflected in the 2011 version of the
Code. Anyone wishing to serve on the newly reconstituted panels should
request a technical committee application from the Codes and Standards
Administration, NFPA, One Batterymarch Park, Quincy, Mass. 02169-7471.
Cool Electronic Cabinets
EXAIR's low cost Cabinet Coolers prevent hot weather failures by
electrical enclosures cool. UL Listed Cabinet Coolers produce 20 degree
Fahrenheit air from an ordinary supply of compressed air to cool
electrical controls. Thermostat control minimizes air usage. Maintains
the NEMA 4, 4X (stainless steel) and 12 rating of the enclosure. Web
site offers detailed information, downloadable drawings and PDF
Shows and Events
Learn About the Changes in the 2008 National Electrical Code
In two informative and interest-filled days with Mike Holt,
you'll learn about major NEC changes that will impact your work,
you're an electrician, contractor, engineer, designer, or
maintenance person. You'll also earn continuing education hours and
professional development hours.
Two conferences are scheduled for later this year:
--September 4-5 in Portland, Ore.
--September 8-9 in San Antonio
For more information and to register online, go to http://CodeChangeConferences.com
It takes more than the UL Mark on a product to satisfy code
requirements. Before your next installation, use UL's Code Compliance
Database to identify the correlation between model codes and UL
Certified products, as well as find manufacturers of certified
Click here today to
find up-to-date UL Listed products at the UL Code Correlation
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