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

 
California Looking To Turn Traffic Into Energy


The role of cars in power consumption and generation has taken a new twist. First electric vehicles (EVs) emerged as a viable alternative to driving on fossil fuels. Then the sophistication and capacity of battery technology expanded the utility of EVs into the realm of storage on the grid.


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Buying Direct: A New Kind of Service Provider


If you can’t beat ’em, join ’em. That seems to be the attitude of electric utilities these days, as growing numbers of large energy users negotiate agreements to buy electricity directly from new wind and solar developments.


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The Internet Of Buildings: Connectivity, Data Collection and Monitoring

In 2009, Home furnishings retailer Havertys launched a sustainability program using a data-driven energy-management system to pinpoint inefficiency. After implementing a discrete energy-monitoring system, it was able to reduce overall consumption by 20 percent.


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Increasing System Profits Through Collaboration

Electrical contractors work hard to learn their business and understand how to complete a project professionally and make a profit. The profit part ensures ECs can stay in business. The professional part is mandatory if ECs want to stay in business and grow.


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Fiber Optics in Energy

We are all aware fiber optics is the backbone of communications networks such as telecom, the internet, local area networks, cable television and more. It’s also the backbone of the electrical grid.


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Breaking Down Barriers: Biometric Advancements

How much simpler would it be if you could go for a run, stop to buy a bottle of water and return home without having to carry your wallet or keys?


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Changing With The Technology: New Fire Alarm Communications Methods


If you are like most people in the fire alarm industry, you struggle with what is and is not allowed for transmitting fire alarm signals to a supervising station. NFPA 72 has changed a lot in the last few code cycles, so let’s clarify some of those changes.



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