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122 Articles found

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  • GFCIs an Integrated Approach to Electrical Safety

    Ground fault circuit interrupters (GFCIs) are used in wet and hazardous settings and have proven to be a life-saving technology. A GFCI disconnects a circuit when it detects that the electrical current is not balanced between the energized conductor and the return neutral conductor. An imbalance can indicate current leakage through the body of a grounded person who accidentally contacts the energized part of the circuit. GFCI devices disconnect quickly enough to prevent injury.

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  • Adding Flexibility to Selective Coordination Designs

    Selective coordination is a National Electrical Code (NEC) requirement for those systems that code defines as related to life safety. While the intent of selective coordination – restricting the potential impact of an electrical overload or short circuit – is easy to understand, putting such designs into practice isn’t always as simple.

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  • Home Security Systems

    I grew up in rural Pennsylvania in the 1960s. We had a nice house with a fenced-in yard, on property in the shadow of the Appalachian mountain range. Our homestead was secured with an F&B security system.

    Fritz, a beautiful German shepherd, patrolled the interior of our mini estate. Our surly bulldog Brutus guarded the yard tenaciously. Yep, no one got by them. If someone even looked at the house, the barking and carrying on clued us in.

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  • IDEA’s IDW Data for Contractors Enters Year Three

    The IDEA (Industry Data Exchange Association) Industry Data Warehouse (IDW) is now entering its third year of successful use by contractors worldwide to streamline parts ordering and produce accurate and timely estimates.

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  • Security Tech – Ever vigilant sentries of commerce

    Wherever two or more are gathered ...

    There'd better be security. Let's face it. Small town America, where everybody knew your name and you could leave your door unlocked, is gone. Well, at least it's vanishing quickly.

    And where large group of humanity jostle each other, security is a must.

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  • Commercial Owners Sensing Savings in Today’s Smarter Lighting Controls

    Once upon a time, commercial office buildings were lit up like candles 24 hours a day, perhaps because installing the right control systems was more expensive than the electricity used to power all those light fixtures. That time has long passed though, and today’s owners are looking for new solutions that maximize the contribution of natural sunlight, where and when possible, and minimize the use of electric lighting in unoccupied spaces. These combined demands are driving a growing market for light and occupancy sensors in lighting designs both large and small.

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