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. 

On November 2, the United States Department of Agriculture announced a $2.5-billion investment in rural electric infrastructure improvements. These funds will be used to support improvements in 27 states, with the hope of creating jobs and supporting economic development.

A variety of carts and reel carriers are available to hold and transport wire reels.

From shipping and arrival of wire supplies through installation, efficiently managing electric wire on the job can be the difference between a profit or loss.


I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


Like many technology markets, telecom has always been a hotbed of hype. Somebody is always talking up the latest and greatest technology that will revolutionize the market. Not too long ago, it was fiber-to-the-home (FTTH). Recently, wireless has been getting all the attention.


More on Systems

 
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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Uninvited Guests

Network vulnerability problems often fall on the shoulders of information technology staff members and systems administrators.


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The Perfect Connection

A few years ago, a cohort and I were demonstrating fiber optic terminations in our booth at the NECA show. He came back from visiting another booth with a large twist-on wire connector, commonly called a “Wire-Nut,” the Ideal trademark for these devices.


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PV Economics

Performing a preliminary design for a photovoltaic (PV) system is the first step in deciding how to effectively incorporate PV technology into a new or existing building.


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On the Horizon

VoWiFi-an abbreviation for voice over wireless fidelity-is another alphabet-soup name to remember. VoWiFi combines Wi-Fi's wireless advantages with voice over Internet protocol (VoIP).


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