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. 

Nineteen years ago, author Spencer Johnson wrote “Who Moved My Cheese?” This book features a fable about how to cope with change.


We have all heard the phrase “That’s good enough for government work!” Whether said in jest, sarcasm or resignation, it implies you have done all you’re going to do, and the result will just have to suffice.

by
Staff  

For local area networks that do not require certification, qualification (or performance) testing is a less expensive option for contractors to test that an installation complies with component manufacturer standards and will perform to specifications.


There’s major disruption in the electronic access control systems (EACS) market. What was once a proprietary, closed technology sector within security has opened to align with the growing internet of things (IoT), data collection and analytics.

More on Systems

 
Certification Programs and Your Career

The U.S. Bureau of Labor predicts a 23 percent increase in new job opportunities for electricians by 2012.


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In the Zone

It is not a new cabling and wiring installation technique, but it has certainly come of age. Zone cabling is a little like the old multiplexed circuits of the early high-end burglar alarm systems (think New York jewelry stores) with a much more modern twist.


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Producing Effective Terminations

Some years back, fiber optic connector manufacturers started offering connectors that terminated fiber quickly without using adhesives or requiring polishing. The manufacturer glued a short stub fiber into the connector ferrule and polished it perfectly in the factory.


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On the Bandwidth Wagon

It is common knowledge that fiber optics has much more information-carrying capacity than copper wiring, mostly due to the fact that fiber optic suppliers have been touting the bandwidth advantages of fiber for so long.


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VoIP Basics

For traditional burglar alarm installers dealing with intrusion detection and monitored systems, it came as no shock that voice over Internet protocol (VoIP) was not the end-all and cure-all it was originally purported to be. But that’s the reality of emergency communications in some instances.


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More Than It Used to Be

The Technical Committees that oversee the development of the National Fire Alarm Code, NFPA 72-2006, have started the cycle for processing proposed changes.


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Smarty Pants

Access control is a logical product to integrate. Technology continues to advance, especially in networked solutions, smart cards and biometrics, offering new capabilities and more application possibilities than ever before.


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