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. 

All of that dark fiber we have been discussing the last few months is getting used for some fast-growing applications, and the fastest may be connecting cell towers. Cell phones have evolved into mobile data devices. Smartphones and tablets consume vast amounts of data.

A hot summer’s evening usually begets long lines at the local ice cream shop. Recently, at one such shop, the line grew extra long when the cash registers and credit card machines mysteriously powered off and on.

Historically, if a problem occurs with a traditional string power inverter that links several solar panels together in series, or even simple shade, that issue can bring down an entire solar photovoltaic (PV) array.

As government tax credits and utility rebates and incentives dry up, energy-efficiency improvements have evolved beyond the low-hanging fruit of fixture replacement at low cost.

More on Systems

 
Supply & Demand
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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
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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
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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
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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
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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
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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?
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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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