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. 

Safety has always been one of the biggest knocks against nuclear power. A standard adopted in March 2016 by the Institute of Electrical and Electronics Engineers (IEEE) and the International Electrotechnical Commission (IEC) could further the industry’s neverending quest to address those concerns.

Last month, we published our annual construction forecast. We’ve been doing this gig for quite a while, and, if there’s a running theme connecting every forecast, it’s uncertainty. It’s not exactly the weather, and we give those guys and gals grief for their unreliability, too.

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

Connected people, places and things. The number of integrated systems solutions is rapidly expanding, bringing data and gathering analytics from more points than ever.

More on Systems

 
The Curious Case of Voltage Sags

A while back, I wrote about a house with 14 kilowatts (kW) of solar panels installed on the southern exposure roof. Voltage and current monitoring at the breaker panel prior to the solar panel installation had shown 10–12-volt (V) deep sags occurring as frequently as every 22 minutes.


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IoT to Continue Rise in Residential and Industrial Sectors

A June 2016 report, "Market Data: IoT for Residential Energy Customers," published by Navigant Research, examines the global market for devices and services that are considered to be part of the residential "Internet of Things" (IoT), including forecasts for shipments, installed base, average sellin


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Defending Critical Infrastructure Against EMPs

United States’ military strategists have talked about the threat of an electromagnetic pulse (EMP) strike since the Cold War in the 1950s, 1960s and 1970s.


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A local microgrid in Sendai, Japan
Microgrids Expanding in the United States

One of the byproducts of the surge in renewable power and smart technology has been the expansion of microgrids. According to recent reports, the systems are expanding nationwide.


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Aquila in position prior to takeoff. (From left: Kathryn Cook, technical program manager for Aquila; Yael Maguire, head of Connectivity Lab; Mark Zuckerberg, Facebook founder and CEO; Jay Parikh, global head of engineering and infrastructure)
Facebook Tests a Solar-Powered Internet Drone

On June 28th, Facebook launched Aquila, a high-altitude, unmanned solar-powered airplane, for its first flight at Yuma Proving Ground in Yuma, Ariz. Although the team has been running tests and practice flights for months, until this point, only a 1/5th scale airplane had been tested.


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Compare And Contrast

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.


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New options and customer markets

Winds Of Change Blowing Strong

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.



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