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. 

Silence! Production came to a screeching halt. Except for a few faint alarms in the distance, an eerie quiet fell over a large part of the facility. It was quite an ominous sight to see the emergency lights attempting to penetrate the darkness from the power outage.


What PIAM does


It is becoming increasingly complicated to manage both the physical and digital access security needs of corporate, institutional and government facilities.

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).

More on Systems

 
NECA/IBEW Announce Web Site Dedicated to VDV
by Staff |
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SAN JOSE, CA (Nov. 12, 2002)––The fastest growing segment of the electrical industry in Northern California, voice-data-video (VDV), now has its own web site, posted today as www.norcalvdv.org.

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Fiber Is Tougher Than You Think
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Fiber optic cable has typically been categorized as fragile,like glass, which the actual fiber is, of course. But unlike drinking glasses that break when dropped or windows that lose every battle with a kid's baseball, glass optical fiber is incredibly strong and flexible.

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Generators and GFCI, Pool Wiring, Inspection Questions and More
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CODE CITATIONS Article 225 Feeders Article 230 Services Article 250 Grounding Article 408 Switchboards and Panelboards Article 445 Generators Article 680 Swimming Pools, Fountains and Similar Installation Systems NFPA 20 1999 Standard for the Installation of Stationary Pumps for Fire Protection Grou

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Intelligibility--What Did You Say?
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How many times have you been to a large corporate complex and struggled to hear an announcement on the public address system? Now consider the same sound system and the dangers when the listener is instructed in emergency evacuation procedures.

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Smarter Distributed Controls
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Imagine being on summer vacation in Australia while it's mid-winter back home in Boston. Your neighbor has kindly agreed to feed your exotic fish while you're away for three weeks, and you know she'll be visiting every morning and evening.

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Fiber's Biggest Enemy
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Your mother was right--dirt is bad. Cleanliness can be next to impossible on the jobsite, but when it comes to fiber optics, it's mandatory. The problem is simply that fiber itself is small, about the size of a human hair.

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