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. 

After 15 years of rural living on a small farm in Southern California, my wife and I recently moved back into the city. Now, as we walk around our neighborhood, we are often reminded that we live in one of the smartest “smart cities” in the world: Santa Monica, Calif.

As new technology such as Amazon Alexa is linked to smart home devices, lamps are becoming more than simple lights that turn on when you flip a switch.  


At a small telecommunications facility, equipment mysteriously started self-destructing for no apparent reason. Laptops, routers, printers and cell phones were apparently just becoming nonfunctional.

Power over ethernet (PoE) is a critical technology for integrated, IP-connected devices. Development and innovation in PoE continues to increase its capabilities, resulting in new standards, devices and methods to manage the technology for greater efficiency.


More on Systems

 
In the Zone

It is not a new cabling and wiring installation technique, but it has certainly come of age. Zone cabling is a little like the old multiplexed circuits of the early high-end burglar alarm systems (think New York jewelry stores) with a much more modern twist.


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Producing Effective Terminations

Some years back, fiber optic connector manufacturers started offering connectors that terminated fiber quickly without using adhesives or requiring polishing. The manufacturer glued a short stub fiber into the connector ferrule and polished it perfectly in the factory.


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To Host or Not to Host

It is a well-known fact that with popularity comes both praise and criticism—voice over Internet protocol (VoIP) is no exception. Whether or not to host VoIP is a question contractors need to start asking, because the decision may help close a deal or directly affect an installation.


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The ITS-Trained Worker

How important are information transport systems skills for the data-communications contractor? Being a professional data-communications (or low-voltage) contractor includes many components.


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Wind Power - Friends and Foes

Up to 2,500 megawatts (mw) of wind energy capacity are scheduled to come online in the United States this year, bringing new power to the equivalent of 700,000 homes and injecting more than $3 billion of investment into the power generation sector. Wind power has truly become a reality.


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Certification Programs and Your Career

The U.S. Bureau of Labor predicts a 23 percent increase in new job opportunities for electricians by 2012.


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On the Bandwidth Wagon

It is common knowledge that fiber optics has much more information-carrying capacity than copper wiring, mostly due to the fact that fiber optic suppliers have been touting the bandwidth advantages of fiber for so long.


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