Art. 100 -- Definition of
Faces of the Code
Year, New Conferences
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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.
Top 2005 Code Changes
Art. 100 --
Definition of Qualified Person
By Mike Holt
An FPN was added to the definition of "qualified
to give examples of the type of safety training required for a person
be considered qualified.
What the Code says: Qualified Person. A
person who has the
skill and knowledge related to the construction and operation of the
electrical equipment and its installation. This person must have
received safety training on the hazards involved with electrical
FPN: Refer to NFPA 70E, Electrical Safety
Requirements for Employee Workplaces, for electrical safety training
requirements. (Modified Code wording is underlined.)
Behind the change. Examples of this safety training include,
but aren't limited to, training in the use of special precautionary
techniques, of personal protective equipment, of insulating and
shielding materials, and of using insulated tools and test equipment
that are used when working on or near exposed conductors or circuit
parts that are or can become energized.
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We were called out to inspect an electrical service
panel for a realtor. Normally we find a few minor violations and write
an estimate and eventually make the repairs. This time I wish I had had
my camera. The homeowner's brother had replaced all the conduit in the
basement with nonmetallic sheathed cable. Of course, he ran it just
conduit -- across the bottom of all the joists -- and it was run on
angles to the floor joists and fastened in place with bent nails. Not
only that, the connector at every metal junction box was missing, and
the bare ground wire was cut off. The brother had also replaced the
panel. The original panel, we deduced, was a 100A fuse box. He
a 200A breaker box. He did not disturb the meter or break the seal, so
he had to have worked the service entrance wires hot. In fact, after
original connector was removed, he punched out the biggest knockout on
the top of the panel and slid the new breaker panel up and over the
conduit and connected the 100A service wires to the main 200A breaker.
The bare neutral was too short, so it was lengthened with a wire nut.
The conduits that used to go into the old service panel were
disconnected and the wires were run into the closest knockout without a
connector, thus defeating the grounding system. You can rest assured
that the breakers were also the wrong size for the branch circuits.
Needless to say, we were able to convince the homeowner that her
electric service needed help. She gladly paid us to make the required
Send your 200-word story to us and it may
appear in a future issue of CodeWatch. Authors of stories chosen for
publication will receive $25.
Ultraweld TOP-LIGHT Mold Cover
Harger introduces TOP-LIGHT, a new mold cover design that
greatly improves the ignition process for Ultraweld exothermic
connections. TOP-LIGHT makes the ignition process easier
to perform while substantially reducing the reaction emissions. Use of
the TOP-LIGHT cover eliminates fouling of the flint
igniter and substantially extends the life of the igniter. Ph: (800)
842-7437. Website: www.harger.com
What's Wrong Here?
By Joe Tedesco
How does this
installation violate the NEC?
Hint: Although the view in this picture is looking up, you
should be thinking more along the lines of the ground the
photographer was standing on when he took this picture.
By Mike Holt
Q. I have a panel that contains a circuit
for air-conditioning equipment. If the circuit breaker in the panel is
within sight of the equipment, am I required to install another
disconnect near the air-conditioning equipment?
See the answer.
By Steven Owen
According to the 2005 NEC, in which of the following
scenarios would GFCI protection be required on 20A branch circuits in
the kitchen area of a small college cafeteria?
- On all 15A and 20A receptacles in the entire kitchen
if it has a sink and a portable microwave oven that is occasionally
moved from one location to another
- Only on the countertop areas of the kitchen
- On all 15A and 20A receptacles in the entire kitchen area, if it
a sink and a built-in (permanently installed) microwave oven
- This isn't required by any edition of the NEC
Visit EC&M's Web
for the answer and explanation.
UL Listed ETP Raintight Fittings Have Inspection Aid
ETP UL Listed Raintight EMT steel couplings and connectors feature
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identification by inspectors. Formed on the outside of the coupling or
connector, it allows an inspector to visually determine that the
is raintight. Offered in 1/2-inch to 1-inch trade sizes, the fittings
have an internal sealing ring and gasket, along with a KO sealing ring.
Choose from insulated or non-insulated throat. The rugged steel
construction has a zinc electroplate finish. The fittings install with
standard electrician tools and methods.
For information, call 800-621-1506. E-mail: firstname.lastname@example.org
Faces of the Code
Member, Code-Making Panel 12
Andy Juhasz has a thing for cars, but not in the way
He looks for good acceleration, a smooth ride, and accurate stops, but
turning radius and gas mileage never cross his mind. He's deeply
concerned about passenger safety, but he's never thought about seat
belts or air bags. And even though the word "shaft" comes up often in
conversations with him, it doesn't have anything to do with cams or the
drive train. When Andy Juhasz talks about cars, he's talking about
For most people, the elevator is just a convenient alternative to
stairs, but for Juhasz, who began working in the industry with servo
design and motion control more than three decades ago and is now the
manager of codes and standards for KONE, it's a much more complicated
means of transportation. "When people think of an elevator, they just
think, 'Big deal, it goes up and down,'" he says. "Well, the fact is
that it's a rather large moving mass that you're trying to move
of feet in one direction and the other and precisely position at
floor. So from an overall control system [standpoint], it's rather
That challenge is half of the reason he's stayed in the industry as
long as he has. The other is his devotion to keeping elevators safe.
Exposure to electrical hazards can happen anywhere from the
pushbuttons in the hallway that call the car to the panel in the car
itself, so he's spent the majority of his career working on ASME A17.1,
the Elevator and Escalator Safety Code. He's now the chairman of the
Electrical Committee. His relationship with the NEC started in 1994
he participated in the rewrite of Art. 620 as a member of a joint task
group between CMP-12 and A17 Electrical Committee members, which
eventually led to a spot as an alternate on Panel 12 during the 2002
cycle. He became a principal for the 2005 cycle.
The general public will probably never notice the work Juhasz has
done in his career, but it's enough for him to know that as the
elevator's technology has improved over the last three decades, so has
its safety measures. "From a reliability standpoint and a safety
standpoint, the equipment is more reliable and safer than it was 30
ago," he says.
Cool Electronic Cabinets
Stop electronic control downtime due to heat, dirt and moisture. UL
Listed Cabinet Coolers produce 20 degree Fahrenheit air from an
supply of compressed air to cool electrical controls. Thermostat
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 literature.
Art. 527 (now Art. 590) states that holiday lighting
are only permitted for 90 days. But if the typical homeowner doesn't
read the Code -- and let's face it, he doesn't -- how would he know?
Should that neighbor of yours who's had his lights up since last year
be expected to abide by that rule? Visit www.ecmweb.com to tell us. And while
you're at it, e-mail
us your funniest -- or scariest -- holiday lighting mistakes, and
may publish them in the next issue of CodeWatch on Dec. 22.
Four out of five CodeWatch readers agree: The 2005 NEC will require
some getting used to. More than 80% of you expect changes in the new
Code to affect your work at least a little in the coming years. For
the lucky 19% of you who don't anticipate having to make even the
slightest adjustment, consider yourself lucky.
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Shows and Events
New Year, New
Missed out on EC&M's Code Change Conferences?
may be in luck. A second series of conferences is in the works for the
new year. Stay tuned to CodeWatch for updates.
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