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. 

A variety of carts and reel carriers are available to hold and transport wire reels.

From shipping and arrival of wire supplies through installation, efficiently managing electric wire on the job can be the difference between a profit or loss.


I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


Like many technology markets, telecom has always been a hotbed of hype. Somebody is always talking up the latest and greatest technology that will revolutionize the market. Not too long ago, it was fiber-to-the-home (FTTH). Recently, wireless has been getting all the attention.


Another storm on the horizon and another image of electric utility trucks heading off to help with recovery efforts. That seemed to be an almost-nightly occurrence in late August through mid-September, as hurricanes Harvey and Irma made their way to the U.S. mainland.

More on Systems

 
Maintenance With Intelligence: The IoT Keeps Everything Connected

Aging buildings and sensor-based technology developments are creating unique opportunities for contractors and integrators to help building managers track the health of their facilities, the efficiency of the equipment and their usage of space.



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Parts, Smarts And Labor

Certified Multi-Media Solutions, Farmingdale, N.Y., is a low-voltage contractor that has been in business since 2005.


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Who Moved Your Cheese? The Evolving World Of Testing

Throughout my career, I have found contractors that attempt to perform fire alarm system installations by the seat of their pants. A contractor typically has grown up in the industry with some valuable training resources.


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Fluke Networks' DSX-8000 cable analyzer and accessories
Cool Tools: Renting Testers

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.



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Teachable Moments: Learning From Project Challenges

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



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Severed Cable Cuts Off Outer Banks Islands During Height of Summer, Lawsuit Filed

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.


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Web Exclusive
Rude Awakening: Low-Frequency Sounders

For years, there has been concern about the waking ability of fire alarm audible notification appliances. In general, they have gone through numerous changes since the 1980s. Back then, it was common to use bells to signal an alarm.


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