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Cast Your Vote for the EC&M
Product of the Year!
Would you like to help pick the prestigious EC&M
Product of the Year winner and qualify for a chance to win $100? If
you're an EC&M subscriber, make your vote count by visiting the
EC&M Product of the Year category winners list. To review
products, click on the links for each of the 33 category winners to
a brief description and view a photo. Once you're finished with your
review, visit the
polling page, enter your contact information, choose your favorite
product from the drop-down menu, and click submit.
help us identify the 2010 EC&M Product of the Year Platinum,
Gold, and Silver award winners. As an added incentive, three lucky
voters will be randomly selected to receive a $100 gift check.
voting poll will remain open through 5 p.m. on June 18, 2010. Please,
only one vote per EC&M subscriber. Any votes received from
manufacturers, PR firms, or non-EC&M readers will be discarded.
Fluke 233 Remote Display Multimeter
What would you do if you
could be in two places at once?
The NEW Fluke 233
wireless remote display digital multimeter with removable magnetic
display allows you to be 30ft away from the measurement point. Perfect
for those difficult measurements where display viewing is challenging.
What's Wrong Here?
By Brian J. McPartland
Think you know how this installation violates the
NEC? Visit EC&M's
website to see the answer.
Hint: Isolated or non-isolated?
By Mike Holt
Q. Can I use SER cable in a 4-story multifamily
website to see the answer.
By Steven Owen
When are low-voltage control equipment, relays, motors
and the like permitted to be installed in compartments with exposed
high-voltage energized parts or high-voltage wiring with respect to
equipment that is operating at over 600V?
- When the access means is interlocked with the high-voltage switch
disconnecting means to prevent the access means from being opened or
- When the high-voltage switch or disconnecting means is in the
- Option A or B is permitted
- It is never permitted to do this in applications over 600V nominal
website for the answer and explanation.
The safest two letters in electrical bring you the new 2010 UL
White Book! The latest electrical product information for Code
compliant installations - reduce red tags - easily pick a Code Section
and find the right product for the right installation. Download
the 2010 UL White Book now!
Code News Update
Selective Coordination Guide
The National Electrical Manufacturers Association
has published ABP 1-2010 Selective Coordination. The new white
paper provides guidance on how to comply with the 2008 NEC requirements
outlined in Articles 620, 700, 701, and 708. Manufacturers have
detailed technical information on how to select and verify that the
overcurrent protective devices offered in the market today can be used
to satisfy the requirements of the system specifications and the intent
ABP 1 can be downloaded at no charge by visiting the NEMA website.
Avoid Safety Violations
A dangerous shock hazard
exists when electronics operate with the panel door open. Avoid the
danger and OSHA fines. EXAIR’s low cost Cabinet Cooler® Systems stop
electronic control downtime with cold 20 degree Fahrenheit air and
maintain the NEMA 4, 4X and 12 rating of the enclosure. Thermostat
control minimizes air usage. Web site offers detailed information, a
video, CAD drawings, and PDF literature. http://www.exair.com/15/540_05b.htm
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