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. 

Biometric technology has been in use for about two decades. It measures a person’s physical and behavioral characteristics, providing details that can be used to make more complete identifications.

For healthcare facilities, many states use only National Fire Protection Association (NFPA) 101, Life Safety Code, because it is the code that the joint commission references.

New options and customer markets


At ISC West 2016, the security industry’s largest annual tradeshow, it was evident the winds of change are blowing within the category of physical security.


Photo credit: Leroy Koetz

Only time will tell if 2016 will be the year that the Chicago Cubs' 104-year title drought ends. For now, fans are reveling in new improvements to the stadium and the surrounding area.
 The improvements began several years ago and are expected to continue into 2018 or 2019.


More on Systems

 
Voice and Data Systems Converge

The telephone and networked personal computer (PC) have become indispensable tools in today’s fast-paced business environment.


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Testing for Category 6 Cabling

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

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

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

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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The Dark Side of Fiber

Generally, the dark side refers to Darth Vader and other not-so-good things. Leave it to the communications industry to turn something dark into something powerfully marketable and profitable—dark fiber.


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Where are the Fiber Optic Jobs?

Since the fiber optic “bubble” burst a couple of years ago, employment ads for fiber optic installers have been scarce. But are real jobs still available? If so, where are they? Is the outside plant market dead? What about premises applications? What technologies are driving new installations?


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