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. 

It is a sign of tight budgets when facility directors at most K–12 and higher education institutions receive mandates to defer maintenance on their existing building inventory to allow for budget dollar application elsewhere.

“Dark fiber” is a term often heard in conversations about fiber optic communications. Perhaps this is because it has a name that sounds evil or nefarious. But dark fiber is just fiber that has been installed and is not currently in use; instead, it is reserved for spares or future use.


If you’re going to do a job right, you need the right tools. Today, the definition of tool goes beyond wire crimpers and multimeters. It now includes smartphones and the apps that make them crucial to a contractor’s success. The following are some of the apps that contractors could consider using.


Last month, we looked into positive, negative and zero-sequence components, also known as symmetrical components, with virtually no math involved.

More on Systems

 
Could You Become an 'E-Commodity?'
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Most of the talk about e-commerce has covered how you can, might, or will use e-business for your company’s benefit.

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Automated Systems Control the Future
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There are basically two levels in any industrial automation project—the device level and the operator and supervisory control levels.

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Fire Alarm System Panels: Conventional versus Addressable
by Staff |
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Should you install conventional or addressable fire system panels? The answer ultimately lies upon close examination of the application and the protected premises.

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The 'New' Home Systems Market
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You’ve heard it before: this is the year for home systems. Everyone thought market saturation would advance quickly for home systems, but consumers couldn’t get a handle on the plethora of products, protocols, and functions—which benefits they could use.

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Homes Are Becoming Smarter than Humans
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First it was cars chirping up to let forgetful drivers know, “Your lights are on.” Now, the home is becoming smarter and better able to “think” for itself. Whether you love or hate the idea of a house that is smarter than you are, the fact is that the smart home is coming.

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VDV Cabling Systems Update
by Staff |
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In a period marked by turmoil in high-tech businesses, voice, data, and video (VDV) cabling technology continues to progress toward better standards and higher bandwidth for commercial applications.

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