AC Versus DC Power

September 2, 2019

In the late 1880s to 1890s there was a battle going on known as the “War of the Currents.” The fight was impassioned, as it would set the stage for the electrical grid in the U.S.

Cover Designed to Prevent Damage

January 11, 2015

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The Universal Stopper® (STI-13310FR) is an indoor/outdoor cover with an enclosed flush back box and fire label.

Electrical Standards and Products Guide Updated by NEMA

November 22, 2011

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The National Electrical Manufacturers Association (NEMA), Rosslyn, Va., now has the 2012 edition of its Electrical Standards and Products Guide, a comprehensive listing of NEMA electrical standards as well as an extensive directory of manufacturers and their products.

Digital Shuffle: February 2011

Sabrina Gasulla

February 1, 2011

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When lighting control manufacturer Lutron Electronics re-launched its website, the company conducted customer interviews and considered experiences for user groups ranging from homeowners to interior designers to electrical contractors.

SDM Magazine

2020 February

In our February issue we present our 2020 “State of the Market: Video Surveillance” report. Also, find out more on "The Cloud is a Win-Win for Security Integrators & End Users". Read about the "Uncommon Ways to Use Video Management Systems " and discover the latest and greatest products.

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