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. 

At a small telecommunications facility, equipment mysteriously started self-destructing for no apparent reason. Laptops, routers, printers and cell phones were apparently just becoming nonfunctional.

After 15 years of rural living on a small farm in Southern California, my wife and I recently moved back into the city. Now, as we walk around our neighborhood, we are often reminded that we live in one of the smartest “smart cities” in the world: Santa Monica, Calif.

As new technology such as Amazon Alexa is linked to smart home devices, lamps are becoming more than simple lights that turn on when you flip a switch.  


I used to get weary of hearing intelligent buildings would be the norm in the near future. I never believed the concept would catch on. First, it was expensive. Second, there had to be a coordinated design for all of the systems in the buildings.

More on Systems

 
Hitting It Out Of The Park

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.



READ MORE
 
Doing It Right The First Time

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.


READ MORE
 
Start Your Engines: Electric Vehicles

If you buy a new car in 2040, there’s a better than 50/50 chance it will be powered by electricity rather than gas.


READ MORE
 
Move To Open Interoperability

Electronic access control is one of the most proprietary technologies (beside fire alarms) with the largest installed base of legacy equipment in the physical security industry.


READ MORE
 
Survivability Revisited

Since 1999, the National Fire Alarm and Signaling Code has required survivability for certain circuits that need to work during a fire. In truth, the code has always required speaker circuits serving emergency voice/alarm communications systems to meet a performance requirement for survivability. 



READ MORE
 
Web Exclusive
Figure 1: Special manual building evacuation station. Photo courtesy of Jensen Hughes Inc.
Purposefully Delayed Fire Alarm Notification

Recently, a number of inquiries were made to our office regarding the topic of delaying or preventing the activation of fire alarm notification appliances.


READ MORE
 
DOE Invests $32 Million In Grid Modernization

As the nation's energy mix evolves to comprise an expanding supply of green power, its distribution systems must also keep up with those changes. The U.S. Department of Energy (DOE) is supporting research toward that end to encourage greater modernization and resiliency on the grid.


READ MORE

Pages

X