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. 

It never ceases to amaze me just how much people in our industry have been either misled or misinformed concerning technical and code information.

My introduction to fiber optics was a guided tour of the Bell Labs section where they were developing the technology being used for the first commercial networks. What I remember most was the office of Jack Cook, the engineer developing the Biconic connector.

SunTrust Park is home to Major League Baseball’s Atlanta Braves. With more than 1,350 Wi-Fi access points, 30 LED displays and a 64-by-121-foot centerfield video board, the owners tout it as one of the most technologically advanced in the league.


I often receive data files recorded from power quality monitors to analyze the reason a piece of equipment experienced an event. This analysis is followed by determining the cause and who is to blame.

More on Systems

 
Cabling Mysteries And Myths

Contractors often experience some confusion over the types of circuits required and permitted for fire alarm system installations. First, contractors need to recognize that they must install all circuits as required by chapters 12 and 23 of NFPA 72 2016, National Fire Alarm and Signaling Code.



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Benefits of Demand-Response Programs

According to a recent report from the American Council for an Energy Efficient Economy (ACEEE), demand-response programs can reduce utilities' peak demand an average of 10 percent, complementing savings from energy efficiency programs.


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But Why? Understanding When Things Go Wrong


When I arrived recently at a residential construction site to build a covered porch, the homeowner was busy cutting a tree away from the power lines to the house with a chain saw.


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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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Growing Pains: 2016 Fiber Optics in Review


The application of fiber optics has been growing rapidly.


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