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. 

As I have described in the previous few columns, splicing fibers is fairly easy. If the installer cleans and cleaves the fibers properly, the machine does the rest. However, the installer’s job is not over at that point.


Industrial firms and contractors stand to benefit from emerging innovations in remote-monitoring technology.

When people send in data from a power quality monitor to be reviewed, some common questions include “Is my site normal?” and “Does this data look OK to operate my facility?” Such questions usually get the same ambiguous answer: “It depends.” The quality of electric power as supplied and how much is

When it comes to systems integration, intrusion detectors and sensors are the ties that bind.

More on Systems

 
Hitch a Ride on Monitoring Services

What is the role of the electrical contractor in providing contract monitoring services to the end-user? It can be significant if approached properly.


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Terminating Flexible Cords, Recessed Outlet Boxes and More

Flexible cord terminations Q: May a properly sized flexible cord with 15-ampere male attachment plugs on both ends be used to supply an optional standby generator for a small business? The cord is intended to plug into a receptacle on the generator and a receptacle on the outside of the building.


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RFID-Coming and Growing

Radio frequency identification (RFID) is used to track, identify and record people and objects. First introduced during the 1970s, the technology has evolved as new uses are discovered. But it was Wal-Mart's announcement in summer 2003 that pushed RFID into the spotlight.


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Put Communications Technology to Plan

The swift pace of integration is nowhere more profound than in the communications and information technology (IT) sectors. Access-control systems talk to closed-circuit television surveillance and door hardware for instant egress.


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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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