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. 

Integrated systems solutions aren’t reserved solely for surveillance, intrusion detection and fire-signaling technology. Audio is the bright star on the horizon, especially as it begins to be leveraged more fully on the network.

As building intelligence becomes a mainstream demand in small to mid-sized buildings and companies, contractors must find ways to offer solutions without crippling startup investments.

The fiber optic industry is going through growing pains. As nationwide connectivity projects such as Google Fiber have accelerated the deployment of connected cities, the realities of running cable throughout America’s communities is proving a challenge.

Everything came to a sudden halt for JetBlue on Jan. 14, 2016. Its website crashed. Passengers became irate. Long lines formed. Some 200 flights were delayed. This nightmare began when JetBlue’s data center lost power and did not have a responsive backup network.

More on Systems

 
A New World Of Interoperability: Explorations in intrusion detection


When it comes to systems integration, intrusion detectors and sensors are the ties that bind.


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Special Splicing Secrets

As I have described in the previous few columns, splicing fibers is fairly easy. If the installer cleans and cleaves the fibers properly, the machine does the rest. However, the installer’s job is not over at that point.



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Get It Together: Secrets of successful splicing


In the last issue, I wrote about the practice of splicing two fibers with a fusion-­splicing machine. This month, I discuss some secrets that experienced splicers have learned—often the hard way.



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Figure 1: Notching caused by semiconductor-controlled rectifier switching during commutation period
Out Of Sight: Transients haven’t gone anywhere


Maybe it is because they are rarely seen by the human eye or because the proliferation of surge protector strips makes everyone feel immune, but transients still exist and can wreak havoc with electrical equipment.


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Smart Cities: LEDs take cities and utilities into the future

With cities and utilities worldwide upgrading to light-emitting diode (LED) lighting for streets and outdoor areas, owners and installers wonder when they 
will build in the controls for smart-city applications.


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Effective Deployment: Network infrastructure update

Physical security technology infrastructure is critical to successful specification.


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Staying Trendy

“A good hockey player plays where the puck is. A great hockey player plays where the puck is going to be.” In this quote, Wayne Gretzky makes an important point.


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