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

 
Abandoned Fire Alarm Cables, Conductor Derating and More

CODE CITATIONS Article 90 Introduction; Article 110 Requirements for Electrical Installations; Article 210 Branch Circuits; Article 220 Branch-Circuit, Feeder and Service Calculations; Article 250 Grounding; Article 300 Wiring Methods; Article 310 Conductors for General Wiring; Article 400 Flexible


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Fiber Optic Update

Fiber optics, as we all know, has not had a very good time the last couple of years, with the overall market dropping by almost 80 percent (see chart at top right).


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Installing a Service Disconnect

Many changes have occurred to the National Electrical Code (NEC) since the first NEC was published on Aug. 31, 1897. Even though the electrical industry was in its infancy, this “first” NEC was remarkably insightful and has withstood the test of time.


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IBS: Here Today, Here to Stay

Over the past few months, many progressive contractors have told me that becoming increasingly involved in the Integrated Building Systems market has been one of their primary business goals––and it’s a step in the right direction.


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Voice and Data Systems Converge

The telephone and networked personal computer (PC) have become indispensable tools in today’s fast-paced business environment.


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Avoiding False Alarms

Many electrical contractors will attest to the fact that fire alarm systems offer a nice addition to their primary electrical business. Most can also tell a horror story or two about the number of costly and unpaid service calls due to false alarms from fire alarm systems.


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Distance Education

The education market has gone through many changes over the years. Advances in technology seem to have provided the biggest differences. Just think about it: computers are more commonplace than ever and many kids don’t even know what a typewriter is.


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