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. 

Brady BMP21-Plus label printer

Making labels on the job site can be a time-consuming task for integrated systems contractors, but it can pay big dividends in the long run.


In the last issue, I wrote about the practice of splicing two fibers with a fusion-­splicing machine. This month, I discuss some secrets that experienced splicers have learned—often the hard way.


Figure 1: Notching caused by semiconductor-controlled rectifier switching during commutation period

Maybe it is because they are rarely seen by the human eye or because the proliferation of surge protector strips makes everyone feel immune, but transients still exist and can wreak havoc with electrical equipment.

With cities and utilities worldwide upgrading to light-emitting diode (LED) lighting for streets and outdoor areas, owners and installers wonder when they 
will build in the controls for smart-city applications.

More on Systems

 
Are Epoxy/Polish Connectors Obsolete?

Low loss is still a big issue Terminating optical fibers by attaching connectors with epoxy adhesive and polishing the ferrules seems like an anachronism. That was how we started almost 25 years ago, so surely better methods have been developed by now.


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New Technologies Boost Data Center Operations

Speeding up the gigabit ethernet Two industry leaders (the Institute of Electrical and Electronics Engineers, or IEEE, and Intel) are working on a means to deliver information (or data) to the user faster, at rates of up to 10 gigabits per second (Gbps).


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The Abandoned Cable Dilemma

There’s money to be made, but hidden costs as well


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Wireless Network Security

Risks include hackers, jamming and more The popularity of wireless networking continues to grow for both businesses and individuals. Wireless networking allows people to obtain data and share information anywhere there is a wireless access point without being tethered to the wired network.


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Sailing the Seas, Surfing the 'Net
by Staff |

Guarding the Coast Guard’s computers The U.S. market for information security products and services is projected to increase by 19 percent per year between now and 2008.


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Shambaugh & Son Lock Up Prison Security Project

In March 2001, the Federal Bureau of Prisons (BOP) issued a Request for Proposal (RFP) to a pre-qualified list of design-build general contractors to manage the construction project for a new federal penitentiary in Terre Haute, Ind. The 598,000-square-foot U.S.


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Distributors Provide Supply on Demand

Electrical contractors have had their appetites whet. They see promise in a host of voice/data/video and integrated systems and are approaching the market with a newfound sense of excitement regarding turnkey solution contracting.


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