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. 

I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


Like many technology markets, telecom has always been a hotbed of hype. Somebody is always talking up the latest and greatest technology that will revolutionize the market. Not too long ago, it was fiber-to-the-home (FTTH). Recently, wireless has been getting all the attention.


Another storm on the horizon and another image of electric utility trucks heading off to help with recovery efforts. That seemed to be an almost-nightly occurrence in late August through mid-September, as hurricanes Harvey and Irma made their way to the U.S. mainland.

In Austin, Texas, monk parakeets nest in power transformers on poles high above street level. The nests become so large they can cause fires and power outages.

More on Systems

 
Room Service

When it comes to information technology-facility design and construction, large-scale data centers have received more attention lately. It’s not difficult to see why. Data center construction remains one of the major bright spots in the building industry.


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More Businesses Moving Phone Lines to the Internet

It was only a matter of time. The Internet offered so much more than Web searching. Even the ubiquitous landline telephone would eventually succumb to its appeal.


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Be a Designer

Many columns have focused on components and installation issues specific to fiber optics. Component selection and installation all must be preceded by the design process, where the overall network is configured.


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Performance and Integrity

Often when you are installing fire alarm systems, you are asked what style or class of circuitry you plan to use. The circuit designations may be required in a local or state code or may be specified by the designer of the fire alarm system.


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Study the Requirements

The National Fire Alarm Code, NFPA 72, Section 10.4.1.1 requires trained technicians to perform an acceptance test on all new fire alarm systems. Specifically, the section states, “All new systems shall be inspected and tested in accordance with the requirements of Chapter 10.


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Broadband over Power Line Continues to Grow

The capacity to innovate ensures longevity for any new technology; for example, broadband access continues to show its versatility and carve new inroads.


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APC Helps IT Professionals in Their Data Centers

APC, a global company that offers integrated critical power and cooling services, unveiled its new Efficiency Quotient online tool to help IT professionals worldwide determine the efficiency levels of their data center.


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