Electrical Contractor Magazine

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. 

Last month, I covered the challenges to traditional structured cabling from multimode optical fiber and wireless. Multimode fiber became the favorite cabling for the backbone but never made it to the desktop because every connected device already had a free Cat 5 port.

In this third part of my series on the most common power quality phenomena, I group several IEEE 1159 categories together under the general description of “distortion.” Though one might argue that all power quality phenomena result in distortions of the voltage sine wave, these are the more steady-s

Positioning


About three years ago, security service providers started offering smart security solutions complete with professionally monitored home security services that were enhanced with home automation and energy management capabilities.

There is no shortage of organizations predicting what the construction market will look like in 2014. We have all experienced how poorly predictions may work out in some areas (e.g., the weather).

Electrical Contractor Magazine

More on Systems

 
Do We Ever Learn?
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Oscar Wilde, the Irish poet and novelist, wrote, “Experience is the name everyone gives to their mistakes.” Although I like this statement, I get a little nervous when a fire alarm system contractor smiles and says, “Boy, do I have a lot of experience!” Let’s face it.

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Put A Finger On It: Biometrics
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Biometrics is the use of a physical characteristic—such as fingerprints, retina or iris prints, palm prints, etc.—to identify a person and control access to a system, whether it is a building, car, computer or home.

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San Diego Building Super-Resilient Smart Grid
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It’s not enough that technology is being described as smart. Now it even has the power to heal itself.

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Web Exclusive
Integrated Systems Contractors Respond to New Safety and Security Demand
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Undoubtedly, you have heard the ads on TV or radio about the enhanced home/business security systems that provide two-way voice and one-way video surveillance upon demand (using Internet protocols).

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Visitors Welcome
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Visitor management systems track the usage of a building or site and are frequently used to complement building security and access control systems. As electronic visitor management systems become more common and powerful, they are taking over many of the functions of access control.


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You're In My Light
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Experienced fiber techs often harp on cleanliness. They know dirt causes many problems with fiber during installation, testing and operation.

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Building Renovation
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In these difficult economic times, we see much more renovation than new construction. Generally, when an owner renovates a building, the work will more than likely affect the fire alarm system coverage or operation.


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