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

 
TIA and You

The Telecommunications Industry Association (TIA) is an industry organization with paying members from the communications/telecom industry. They develop minimal performance standards for cabling and related hardware and installation standards for the users/designers.


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Wireless: No Wonder

Russ Lambert has trained as a lawyer (with a legal degree), served as a project manager for an electrical contractor (in this case, Fischbach & Moore) and worked at a high level for a major electrical distributor (specifically, as director of e-Commerce for WESCO Distribution during the dot-com


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Wireless LANs

From a systems standpoint, wireless has been the talk of the town. It seems as if everyone was promoting this technology as one that would change the way we all view networking. Wireless has finally taken the great leap from industry projection chatter to commonplace buzzword.


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Solving the Labeling Dilemma

Labeling and documentation can be separate tasks, but they go hand in hand and should be completed, at least in part, at the same time.


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Quick Fiber Optic Terminations

One often needs a fast fiber optic termination.


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Integrated Building Systems Today...and Tomorrow

Chances are, the buildings of tomorrow will be smarter, safer, more automated and computerized than the buildings in which we now live, work, shop and play. Sunlight will be used with maximum efficiency to boost indoor lighting. Lighting will work in concert with security.


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Lessons (to be) Learned

Consider the following statements summarized from a description of a “recent” blackout: • Needles on meters in utility control centers were swinging wildly.


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