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. 

“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.

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.

More on Systems

 
Money in the Bank
by Staff |
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Bank security systems are now so sophisticated that it is virtually impossible to use a hankie without being in full view of a surveillance camera. Uniformed guards making their presence obvious are as much an ornament as a deterrent to crime.

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Redundancy Bears Repeating
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System redundancy—for electrical, security, fire, alarm or communications systems—is one of those areas that cause many people to go blank.

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Bank Robbers Beware
by Staff |
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Each September, Northfield, Minn., celebrates the foiling of the legendary James-Younger gang’s 1876 raid on the First National Bank.

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Financial Security Focuses on CCTV
by Staff |
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Remember the V-8 advertisement where the guy slapped his head when he realized he had missed his chance to have his favorite drink? Having a “V-8 Moment” about security systems as the crooks escape a bank robbery is bad news all around.

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High-Tech Trumps Hijinks
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As long as there have been banks, there have been bank robbers. But in the past decade, keeping up with criminal threats to the banking industry is becoming more high tech as security demands change.

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Behind the Scenes
by Staff |
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There’s a well-known joke about money. You might see it as a sign posted in a bar or restaurant: “In God We Trust. Everybody else pays cash.” The first part of that phrase, as we all know, is printed on every U.S. greenback and stamped on every nickel, dime, quarter and penny.

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Tangent Cable Systems: Prior Experience Gives Tangent the Edge
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In 2001, PFPC Inc., a leading provider of processing, technology and business solutions to the global investment industry and a member of the PNC Financial Services Group Inc., decided to expand its operations by adding a four-story, 116,000-square-foot worldwide headquarters building to its existi

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