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. 

Figure 1: Voltage and current transients during switching

Engineers in a large electric utility’s power quality (PQ) department had installed PQ monitoring to determine the source of a system component’s failures. They needed to see the voltage and current waveforms before, during and after the cap banks were switched in and out.

Six years ago, with no experience as an internet service provider (ISP) or telecom service provider, Google Fiber generated an immense amount of excitement by announcing that the company was going to build a gigabit-speed fiber-to-the-home (FTTH) network for Kansas City, Mo., a city chosen from more

Access control is one of the most prevalent and longstanding methods of securing entrances, exits and areas within protected premises.

Appetite for intelligence


The simplicity and ubiquity of home automation means opportunity for ECs. For one thing, today’s systems come ready to install, and contractors can learn installations in a matter of hours rather than weeks. For many ECs, it has been a welcome transition.


More on Systems

 
The Future Of Building 
Automation Systems


Two recent reports analyze the outlook for building automation and control systems.


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The Next Big Opportunity: IP Audio Brings Installation and User Benefits


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.


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Columbus Microgrid Project Pushes To Make City Smarter


In November, as part of a larger plan to decarbonize the power supply and transportation in Columbus, Ohio, American Electric Power (AEP) announced plans to invest $52 million to build between eight and 10 microgrids in and around the city.


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The Right Sales Pitch: Dealing With Fiber Optics Growing Pains

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.


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All Eyes On Video: A Look at Drones, Analytics and Surveillance 


The new year is upon us. For electrical contractors that continue to add low-voltage security to their operations, there is a light shining brightly on what can really boost the overall future stability and profitability of a company, and that’s the category of video surveillance.



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Predicting Change: Staying Aware of New (Even Unenforced) Codes


Regardless of the changes in our federal government this year, there is one thing we know for sure: we have a new NFPA 72 2016, National Fire Alarm and Signaling Code from the National Fire Protection Association. Does that mean we should have started using the new code on Jan. 1?


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Brighter Or Darker Future: The Health Effects of New Lighting Sources


The proliferation of alternative forms of lighting—for example, LED lamps—has been accelerated by the significantly limited sale of incandescent light lamps. In case you forgot, incandescents failed to meet the efficiency rules of the Energy Independence and Securities Act of 2007.


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