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. 

Evolution in action


Much has been said and written about analog video cameras and the move to internet protocol (IP) networked digital surveillance. Some predicted the demise of analog and takeover by IP devices would progress quickly, but clearly that hasn’t happened.

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.

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

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.

More on Systems

 
Banks Get Ready to Upgrade

Looking at the growth and changes in banking security, few industry watchers can pinpoint what direction technology is headed.


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Controlled Chaos: Stata Center

When Massachusetts Institute of Technology (MIT) considered construction of The Ray and Maria Stata Center for Computer, Information, and Intelligence Sciences, the facility committee wanted something bold.


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Integration and Potential

In the past few years, there has been a great deal of buzz over integrated systems and this issue is dedicated to that new way of construction. The terms and their abbreviations used in this market sector are often interchangeable.


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Hot Developments in Remote Monitoring

Modern technology makes it possible that whatever is detected can be electronically reported, and whatever is reported can be remotely monitored, and whatever is remotely monitored can be remotely controlled.


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Cable Warranties

Another selling point for the cable industry Warranties. They are both frustrating and appreciated. Warranties are those intangible benefits that consumers look for prior to making a large purchase. Who has not taken the warranty into consideration before buying a car, a freezer, even a house?


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Problems of Aging Fiber Optic Networks

Is it time to fine-tune older fiber? Some fiber optic networks have now been in use for more than 20 years, a tribute to the inherent capabilities of optical fiber.


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On Auctions, RFID and '4D'

The construction industry won a major battle in late July, when the U.S. Army Corps of Engineers (ACE) issued its verdict on reverse auctions. As hoped, the Corps sees no advantages to the idea.


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