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. 

Energy consumer demand for distributed-energy resources (DER) is growing for a number of reasons—unexpected utility power outages, planned rolling blackouts, power quality problems, increases in power costs, etc.


The 2016 Profile of the Electrical Contractor reveals how electrical contractors see the industry changing and how they intend to adapt. Change occurs in the fire alarm and communications world as well. As you know, keeping up with these changes can prove difficult. 


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.

More on Systems

 
Supply & Demand

Fuel Cells are in demand where power is in short supply Fuel cell technology is turning up in unusual places. As the utilities—as well as commercial and residential customers—seek energy alternatives, fuel cells are emerging wherever government assistance or reliability needs are the greatest.


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Order In The court: Frey Electric Provides Security
by Staff |

In the aftermath of 9/11, Americans everywhere reflected on their most cherished ideals: liberty, freedom and justice.


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Internet Protection for End-Users

Enter the National Cyber Alert System One of the newest “systems” on the government block is the early warning system that alerts those in the know to potential Internet risks. It is not only timely, but also much needed.


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Airport Security Moves to Exits
by Staff |

Airport travelers are accustomed to scrutiny at screening checkpoints. Metal detectors and security personnel posted at the concourse entrance have been a fact of life for years.


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The Makeover Continues

After 9/11, our nation’s security was scheduled for an extreme makeover. The transformation is ongoing.


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The Good Side of Government Intervention

A brief history of how fire alarm codes came about Many people are blissfully unaware of why we have fire alarm system codes and standards.


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Boom or Bust?

Are there jobs for you in the nuclear power market? According to the World Nuclear Association, a recent study determined that nuclear energy incurs about one-tenth of the financial cost of coal to produce electricity.


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