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. 

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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).

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.

More on Systems

 
Enhanced Web Applications
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The Internet is as popular as ever. It seems you can’t turn around without bumping into something Web related. But the Internet has evolved; there is more to it than surfing for sports scores and celebrity gossip.

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Design and Documentation
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What is documentation and why is it important? We hear about “documenting” a network, but we don’t often listen. It seems like too much work for too little or no payback. But that way of thinking is wrong.

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The Lowdown on Camera Lens Advances
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Variety and innovation mean installation flexibility when it comes to lenses for closed-circuit television surveillance (CCTV). That’s just what the end-user needs: a camera and lens that can satisfy whatever the surveillance application dictates.

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Cities Unto Themselves
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Hospitality and gaming facilities, with their large crowds often sharing one property, need quick and reliable fire detection systems with the ability to pinpoint the area in alarm to allow selective and orderly evacuation.

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Retrofitting Fire Alarm Systems
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Anyone planning to retrofit anything electrical in a building faces a difficult task at best. Only a true craftsman can successfully install something as a retrofit that looks like the original installation had included it.

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The Importance of Systems Testing
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When electrical contractors talk about (or are asked about) testing, one is usually not referring to the stress-inducing kind associated with obtaining the latest certification in the industry.

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Conductors Connected in Parallel
by Staff |
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Parallel conductors are often installed where large ampacity feeders or services are used. Total understanding of the paralleling requirements permitted in the National Electrical Code is necessary before attempting to design a large electrical system or install these conductors.

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