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. 

Fluke Networks' DSX-8000 cable analyzer and accessories

Structured wiring technicians carry their own tools for everyday work, but the companies that employ them often find it practical and economical to rent high-end network-testing equipment. Specialty rental companies carry broad selections of network and electrical testers.


How often does something go wrong on a project? I bet your answer is, “Too often.” Of course, when this happens, it erodes profitability.


Most in the construction industry should be familiar with building information modeling (BIM).

In North Carolina, on July 27, PCL Civil Constructors working on the Herbert C. Bonner Bridge project, which spans 2.8 miles and is the only connection between Hatteras Island and Bodie Island, severed a three-phase, 115-kilovolt underground transmission line.

More on Systems

 
But Why? Understanding When Things Go Wrong


When I arrived recently at a residential construction site to build a covered porch, the homeowner was busy cutting a tree away from the power lines to the house with a chain saw.


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Design For Living: Fiber Optic Network Design


Last month, I discussed the growing pains I have seen in fiber optics. Some of the problems have been issues with incompetent subcontractors, but poor network design seems to cause just as many issues. Why is that?



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Phasing in Intelligence

As building intelligence becomes a mainstream demand in small to mid-sized buildings and companies, contractors must find ways to offer solutions without crippling startup investments.


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The 24/7 Power Era: Making Secondary Power Primary


Everything came to a sudden halt for JetBlue on Jan. 14, 2016. Its website crashed. Passengers became irate. Long lines formed. Some 200 flights were delayed. This nightmare began when JetBlue’s data center lost power and did not have a responsive backup network.


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Franklin & Marshall College Poses a Challenge for Lighting Update

Updating a lighting system to improve energy efficiency seems like a no brainer. The facilities in the space will be improved, and it saves the owner money. What could be the problem with that?


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Swiss Scientists Warming Up With Stored Heat

Imagine storing summer heat. Renewable energy has always been about the art of the possible, turning the obvious and plentiful into a reliable source of clean fuel. If the wind, waves and even the almighty sun can be harnessed for generation, almost anything else can be captured, too.


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Getting the Hang of It

Last month, we published our annual construction forecast. We’ve been doing this gig for quite a while, and, if there’s a running theme connecting every forecast, it’s uncertainty. It’s not exactly the weather, and we give those guys and gals grief for their unreliability, too.


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