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. 

The fountains and walkways of the healing garden are illuminated by LEDs.

In the healthcare-lighting arena, the improvements and increasing affordability of light-emitting diode (LED) products, along with advancements in lighting control technology, enable creative lighting designs that benefit patients and staff members.

In preparing to write my next article, I often review the topics I have covered in the past year or so, and I consider the issue’s theme.

As most of you know, the codes and standards for fire alarm and mass notification systems change on a three-year cycle. New technology and more refined occupant needs top the list of reasons for most changes.

The predictions have arrived! Analysts expect the first quarter of 2015 to show a rapid rise in commercial construction. Obviously, this is good news on almost all fronts.

More on Systems

 
Further Reading Required
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Electrical contractors plunging deeper into the security market need to pay as close attention to the standards involved in security systems and attendant technologies as they do to the National Electrical Code (NEC).
 BICSI 005


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It's a Trap
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When I am performing construction administration services for my clients and ask contractors why they installed the fire alarm system the way they did, they often lament, “That’s all the code required!”

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Hold It Right There: Firestopping
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Fire is a building’s worst enemy, and time is a critical element. Each minute a fire’s progress can be slowed provides more time for occupants to get out of harm’s way and for firefighters to reach and extinguish a blaze.

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Gone In 60 Microseconds
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Last month, we started the Top 10 in the power quality phenomena category with the most common disturbance: the rms variation. In second place are usually transients, those fleeting waveform changes that are far too brief to be seen by the naked eye in lighting.

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Premises Cabling's Challengers
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My December column covered the development of copper cabling standards through the 1990s and the emergence of optical fiber as an alternative due to its higher bandwidth and distance capability.

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Fiber Optics Update 2014
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Before I write this column each year, I contemplate the events of the past year and try to determine the direction of the market. The previous year seems to have been one of new challengers to traditional technology.

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Top 10 RMS Variations
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From David Letterman to the FBI to Billboard magazine, the “Top 10” can be applied to just about any category, including power quality phenomena. Although it is a highly subjective process, there is some merit in being more than just familiar with them.

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