Systems

 

 

Integrated electrical and low-voltage systems of all types—inside and outside a building—encompass the range of work that electrical contractors do. The articles in this section highlight different types of work, from security, fire and life safety, to traditional electrical power and distribution, to lighting, cabling and more. 

The predictions have arrived! Analysts expect the first quarter of 2015 to show a rapid rise in commercial construction. Obviously, this is good news on almost all fronts.

One of my responsibilities over the years has been to field questions from our members and authorities having jurisdiction (AHJs) to help them find and understand code requirements. I have benefitted from the process as well.

A limited number of low-voltage contractors specialize in the installation of sprinkler systems power and controls. For them, it provides a regular source of revenue that most contractors have bypassed.

Fluke Networks DSX-5000 CableAnalyzer certification tester

A certification tester is the basic instrument for certifying that a building’s structured wiring meets industry standards. At one time, structured wiring referred to a facility’s communications network, but that has changed.

More on Systems

 
Distance Education
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The education market has gone through many changes over the years. Advances in technology seem to have provided the biggest differences. Just think about it: computers are more commonplace than ever and many kids don’t even know what a typewriter is.

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The Ins & Outs of VDV Cable Management
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Choosing the right management system for voice/data/video (VDV) cabling is driven by a variety of factors, including local codes and standards, personal taste, cost constraints and performance.

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Fiber Vs. Copper
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You have to admire the copper cabling people for their tenacity—they never give up. In spite of hearing for the last 15 years that copper has no future, they persist in developing new technology that allows copper, like the mythical Phoenix, to rise from the ashes as strong and viable as ever.

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Testing for Category 6 Cabling
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As you may know, the Telecommunications Industry Association (TIA) has agreed that Level III-qualified testers are to be used when certifying or verifying Category 6 cabling systems (Category 6 cable is a 100-Ohm cable with transmission characteristics specified up to 250 MHz).

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The Little Engine that Could
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Ask most electrical contractors about the latest cogenerating technology—microturbines—and you’re likely to get silence, or possibly: “micro-what?” This technology, which has only been on the market a few years (Capstone Turbine’s C30 model was introduced in December 1998), may still be relatively u

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Layer Security with Sensors and Detectors
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Critical surveillance calls for a variety of detectors and sensors, and there are some heavy hitters to get the job done.

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Don't Gamble with Abandoned Cable
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There’s a problem that is either right in front of us or lurking around the corner. The problem involves data communications cabling above drop ceilings in commercial buildings—some of that old cable has been accumulating in ceiling spaces for years and years.

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