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. 

The continuing deployment of fiber optic cable is newsworthy in industry trade publications and the consumer press. Serious home-internet users want more bandwidth to download, upload and stream online video.


In today’s fast-paced and rapidly evolving light-emitting diode (LED) market, the subtle and sophisticated decisions involved in choosing and installing an LED system can be difficult enough.

The Federal Communications Commission’s (FCC) fight for net neutrality got another big boost on Tuesday, as the Washington, D.C., federal appeals court upheld the FCC’s Open Internet rules in a 2–1 decision.

Biometric technology has been in use for about two decades. It measures a person’s physical and behavioral characteristics, providing details that can be used to make more complete identifications.

More on Systems

 
Communication System Requirements

Contractors and installers generally are concerned with cabling, not networks. Installing and testing cabling to standards such as TIA-568 is the heart of their voice/data/video work. Cabling standards writers are primarily concerned with performance and interoperability.


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Industrial Automation

From 2001 to 2003, the United States saw the worst industrial decline since the Depression with customer capacity reduction, including outsourcing and consolidation.


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The Buzz on ZigBee

ZigBee-it sounds like a new toy or Disney character, but it is actually a technology that is helping to, once again, reshape wireless networking. ZigBee is a protocol known as the IEEE 802.15.4 Standard.


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Integration-In a Not-So-Perfect World

It's really happening. Integration is starting to take hold in every vertical market and business operation. It has been a long, tough road.


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Ensuring Earth Connection

In the 2002 and previous editions of the National Electrical Code, the metal frame of a building or structure was required to be used as a grounding electrode when the metal of the building or structure was effectively grounded.


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Add Sound to Your Repertoire

You've heard it before: Your customer wants structured wiring and networking, and they also want a sound system. Is it over your head? Not if you take the time to learn some simple steps to increase your business and get started in this growing area.


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Going the Distance

Just when those hungry for bandwidth thought they had struck gold with Wi-Fi, along comes something else to further the wireless revolution. WiMAX-Worldwide Interoperability for Microwave Access Forum-or WirelessMAN, is bound by the IEEE 802.16 standard.


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