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 June 2016 report, "Market Data: IoT for Residential Energy Customers," published by Navigant Research, examines the global market for devices and services that are considered to be part of the residential "Internet of Things" (IoT), including forecasts for shipments, installed base, average sellin

United States’ military strategists have talked about the threat of an electromagnetic pulse (EMP) strike since the Cold War in the 1950s, 1960s and 1970s.

A local microgrid in Sendai, Japan

One of the byproducts of the surge in renewable power and smart technology has been the expansion of microgrids. According to recent reports, the systems are expanding nationwide.

Aquila in position prior to takeoff. (From left: Kathryn Cook, technical program manager for Aquila; Yael Maguire, head of Connectivity Lab; Mark Zuckerberg, Facebook founder and CEO; Jay Parikh, global head of engineering and infrastructure)

On June 28th, Facebook launched Aquila, a high-altitude, unmanned solar-powered airplane, for its first flight at Yuma Proving Ground in Yuma, Ariz. Although the team has been running tests and practice flights for months, until this point, only a 1/5th scale airplane had been tested.

More on Systems

 
Derating Conductors in a Raceway and More

CODE CITATIONS Article 220 Branch-Circuit, Feeder and Service Calculations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 404 Switches Article 410 Luminaires (Lighting Fixtures)


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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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Large Box, Small Box

It certainly is not easy being a retailer today. There are so many different fronts to cover. From keeping customers happy to competing efficiently and seeing to security and management functions, the tasks at hand can seem overwhelming at times. Security is always an issue.


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