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. 

Most in the construction industry should be familiar with building information modeling (BIM).

In North Carolina, on July 27, PCL Civil Constructors working on the Herbert C. Bonner Bridge project, which spans 2.8 miles and is the only connection between Hatteras Island and Bodie Island, severed a three-phase, 115-kilovolt underground transmission line.

Capacitors that blew up from a power supply failure

In my 40-plus years in the industry, I have analyzed customers’ power quality monitor data files and heard their stories about hundreds of things that have happened in their facilities or homes: some mysterious, some catastrophic, some even comical.

According to an August 3 report from the U.S. Energy Information Administration (EIA), as of July 2017, 30 states plus the District of Columbia have adopted energy efficiency policies. These policies range from mandated requirements to voluntary goals, as well as pilot programs.

More on Systems

 
In the Driver's Seat
by Staff |

Electrical contractors at the forefront of their industry understand the need to keep abreast of new trends and technologies.


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On the Edge of Greatness

The hottest thing out there this summer is not the weather but the highly anticipated iPhone from Apple Inc. At a starting cost of $500 and another $60 to $100 per month in service from AT&T (the iPhone’s exclusive provider), it’s not cheap.


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Wi-Fi in Public Places
by Staff |

Everyone loves the convenience and accessibility Wi-Fi has brought us. As is often the case with technology, it’s great—when it works. When a building owner or tenant discovers “dead spots” that are difficult or impossible to reach with a Wi-Fi signal, the challenge is not.


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Integrated Fire Protection

To protect today’s public spaces, integration of systems is more important than ever. And in light of recent catastrophic events, the pluses of integrated fire and life safety communications have become perfectly clear.


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The Gap Between CCD and CMOS Narrows

Camera surveillance is one of the fastest growing segments in the physical security arena. But the real story involves a potential paradigm shift from charge coupled device (CCD) imaging technology to complementary metal oxide semiconductor (CMOS).


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Philadelphia One Step Closer to Muni Wi-Fi Accessibility

The city of Philadelphia is steamrolling ahead toward its goal of becoming the nation’s first completely wireless major city. In May, Mayor John F. Street announced the approval of a 15-square-mile test zone for the city’s fledgling Muni Wi-Fi network.


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Waste Not, Want Not

At wastewater treatment facilities, microturbines are turning the gases emitted by waste into electricity. Dairy farms are powering their own facilities with methane gas from cattle waste.


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