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. 

In several recent columns, I discussed the process of fiber optic terminations. I examined each step in detail and shared some of the things I have learned from experience and teaching students. As they say, one learns from one’s mistakes.


Data centers are energy hogs. They can consume up to 100 times more energy than a standard office building, according to the Department of Energy’s (DOE’s) Office of Energy Efficiency and Renewable Energy (EERE).

Dranetz Model 606 was introduced in 1975.

The importance of monitoring the quality of the electrical supply has increased with the ongoing push to boost uptime, productivity and profits. When carrying out business 24/7, having a process or operational interruption can negatively affect of the bottom line.

Invented in the 1980s at Eastman Kodak, organic light-emitting diodes (OLEDs) are composed of a layer of organic material situated between an anode and a cathode and deposited on a substrate.

More on Systems

 
Under The Right Conditions
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Now that we’ve covered the test equipment and learned how to estimate the measured loss using a loss budget, it’s time for one more related topic: creating the test conditions to get the “right answer.” And what, you might ask, is the right answer?


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From Mainframe to Digital
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Data centers first appeared in the 1970s as mainframe computing environments. Their design is still evolving to best operate efficiently and reliably.

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What kind of contractor?

Structuring A Solution
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Wireless technology is certainly getting attention these days. We’ve covered the extensive range of new home automation and security products and systems often here in the pages of ELECTRICAL CONTRACTOR.

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Cutting The Cord For Control
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Are wireless controls taking market share from their wired brethren? A report released by Navigant Research says they are. Growth in the sector is expected to continue, with annual worldwide shipments of wireless nodes for building controls forecast to surpass 36 million by 2020.

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On Your Mark, Get Set ...
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You finally were able to buy a power quality monitor to determine what is causing your customers’ equipment to misoperate.

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Distinguishing Gentlemen
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Do you keep up with new fire alarm systems technology developments? If you do, you will have an edge when you speak with customers about their fire alarm system needs. Most of your clients will ask for code-compliant systems.

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Editors' Pick
Overcoming Fear of Fiber
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Termination of installed optical fiber cables has always been perceived as a difficult, expensive, time-consuming process that discouraged some contractors from developing in-house capability for fiber installation.

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