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. 

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.

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.


More on Systems

 
Fuel Cells--Power Source for the Future
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It has been three decades since fuel cell technology first emerged, but the clean and efficient power alternative is just now beginning to take off.

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Homeland Security: Contractors Vie for New Systems Installations
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Without a shadow of a doubt, the events of Sept. 11, 2001, changed the world. Our understanding of what it means to feel safe and secure were forever altered.

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Call to Action to Protect Government Facilities
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The attacks of 2001 may be in the past, but efforts to fortify government facilities against terrorist acts continue. A crucial turning point came for the United States on the morning of Sept. 11, 2001. It was then that the people of the U.S.

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Small Bites, Big Meetings: Make IRS Security Job a Success
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It’s safe to say the Internal Revenue Service (IRS) keeps close watch on everyone’s money. Especially its own revenues and expenditures.

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Extending Fiber's Reach
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For almost 15 years, one had only two choices if installing fiber.

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Who Watches the Watchmen?
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Backing up your backups—aka redundancy—is critical Having backup for the backup to the backup is the only way to go in power and systems. For the healthcare market, which provides critical and comprehensive care 24/7, it’s a necessity.

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Testing Fiber Optic Loss
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Two measurements of optical power required Compared to Category 5e or Category 6, fiber optics wire is easy to test. A “flashlight test” can make sure the fiber has continuity and is correctly identified.

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