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PAGE 4• DECEMBER 2015
THE ELECTRIC TIMES
Alan M. Petrillo
Electric Times
Voltmarc Technology of Scottsdale specializes in
less intrusive electrical circuit testing
traces its roots back to 2007, has movedVoltmarc Technology, a company that
into Scottsdale this year, offering electrical
circuit testing and load reading for commercial,
industrial, medical, institutional and
government clients.
T Brian Marshall, one of five Voltmarc
echnology partners, said the patented technology
developed by his electrician partner
Mark Mahoney, “allows electrical circuit
testing and load reading to be faster, more
accurate and less intrusive.”
connects a customer’s circuits and transformers
to its equipment and it then puts a
very minor load onto the circuit.
“We can measure and trace that load, and
in doing that we don''t have to turn the circuit
off,” he said. “We can do the reading
and the tracing with no negative impact to
the client. Hospitals especially love us
because they can’t afford to shut down their
circuits.”
lines are going or they need to install new
Wequipment and have to know the capacity.
know whether or not they need to installe’ll do load readings for them so they
additional panels or transformers.”
The three other partners include patent
attorneys Joe Meaney and Mike Campillo,
and private equity investor Mike Starkle,
Marshall pointed out.
“Through experimentation and testing,
Mark developed the technology,” Marshall
said, “which allows us to 100 percent guarantee
our readings and offer the only technology
that doesn’t have to turn off the circuits
to do the testing.”
Marshall said that Voltmarc Technology
Code Corner
The NEC Handbook expands on this by
elaborating that, simply draping cables on
rafters and joists or ceiling framing members
is not in compliance.
334.80 Ampacity. This requires that all
NM cable shall be rated at not more than 60
degrees C. Even though the cable is assembled
with 90 degree C conductors, after all
corrections and adjustments its final derated
ampacity does not exceed the 60 degree C
Continued from page 2
FerrinContinued from page 1
In its circuit tracing, the company identifies
and locates all circuits, updates panel
schedules, develops color-coded plans,
identifies backfed and cross-phase circuits,
and identifies circuits above 80 percent of
load rating.
gy’Marshall noted that Voltmarc Technolos
clients include building owners, facility
and building managers and engineers,
electrical contractors, electrical engineers
and general contractors doing tenant
improvements.
“We are used a lot when tenant improvements
are getting ready to be started,” he
said. “Often they don’t know where the
column in 310.15(B)(16). Where two or
more cables are installed in the same opening
in wood framing and is to be sealed with
insulation, caulk or foam then the ampacity
of the cable must be derated in accordance
of 310.15(B)(3)(a) for more than three Current
Carrying Conductors. The exception of
310.15(A)(2) shall not apply.334.104 Equipment Grounding Conductor.
This was first required in the 1962
edition of the NEC. It required all branch
dler to work with American Traffic Solutions
to install red light cameras in 18
Chandler locations after the first of the year.
But electrical contracting isn’t the only
thing that Ferrin is known for. The other is
ice cream.
“When my girls were in college, I started
Stan’s Ice Cream Machine Rentals to
help pay for college expenses,” Ferrin says.
And anyone who has attended one of the
annual Wire-Off, Cook-Off and Trade
Shows sponsored by the Independent Electrical
Contractors of Arizona (IEC-AZ),
will know about Ferrin’s ice cream.
“We’ve been doing the Wire-Off for the
last 10 years providing soft ice cream from
our machines,” Ferrin points out, “and it
has proven to be very popular with the
attendees.”
Ferrin, a member of IEC of Arizona, has
served on its apprenticeship, safety and
trade show committees, and from 2000 to
2006, on the board of directors.
In its circuit tracing, the
company identifies and locates
all circuits, updates panel
schedules, develops colorcoded
plans, identifies backfed
and cross-phase circuits, and
identifies circuits above 80
percent of load rating.
Other clients use Voltmarc Technology
when performing their due diligence on a
property, he added, having the company do
circuit tracing work. Also, after purchase of
a building, owners might want certification
for safety reasons or simply because they
want a record of the circuitry for a certain
floor, area or a whole structure, he said.
circuits to have an E.G.C. The first versions
were a smaller size E.G.C. and in 1969 the
NEC banned all undersized grounds and
required them to be the same size of the
ungrounded conductors up to #10 AWG.
There are other requirements as it relates to
type NM cable but I hope this lays a foundation
upon one can use to properly install
Romex cable and understand why the
Inspectors call out some of these violations
on the job sites after reading this article.
When performing load reading, Voltmarc
Technology can handle all circuits at
the same time, Marshall said.
“We hook every single circuit in a panel
and give them minimum, maximum and
average load for each circuit and the panel,”
he noted. “We also identify the circuits
above 80 percent of load rating, and do
standard 72-hour load readings or any other
timeframe desired. We use a mix of hardware
and software technology to accomplish
these tasks.”
Marshall said that he believes the healthcare
and hospital industries would benefit
greatly from Voltmarc Technology’s services,
as well as data centers, and industrial
and manufacturing facilities “where they
don''t want to have to shut off circuits.” He
noted education and airport facilities would
likewise benefit from its services, as did the
city of Eloy, which didn’t have to shut down
Tits emergency 9-1-1 center when Voltmarc
echnology worked on it.
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Stan Ferrin (right) and nephew Chris Ferrin, during an IEC of Arizona
Wire-Off, Cook-Off and Trade Show.
or scan this code:
Mark Cook is the Technical Training
Consultant for Faith Technologies in
Neenah, Wisc. Mark has been in the electrical
industry since 1978 and owned a contracting
business from 1994-2015. He was
an instructor for the Independent Electrical
Contractors of Arizona and The Electric
League of Arizona and has presented for
NEC and other organizations. Cook was
Apresented with the Instructor of the Year
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