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. 

Six years ago, with no experience as an internet service provider (ISP) or telecom service provider, Google Fiber generated an immense amount of excitement by announcing that the company was going to build a gigabit-speed fiber-to-the-home (FTTH) network for Kansas City, Mo., a city chosen from more

Access control is one of the most prevalent and longstanding methods of securing entrances, exits and areas within protected premises.

Appetite for intelligence


The simplicity and ubiquity of home automation means opportunity for ECs. For one thing, today’s systems come ready to install, and contractors can learn installations in a matter of hours rather than weeks. For many ECs, it has been a welcome transition.


Beginning with the 2010 edition of NFPA 72, National Fire Alarm and Signaling Code, all of the “styles” of circuits were deleted, and four “classes” were added. A new chapter, Circuits and Pathways, was added during the reorganization of this code.

More on Systems

 
The More I Learn: Answering Sag Questions Creates More Questions


The quote “The more I learn, the more I realize how much I don’t know,” is popularly attributed to Albert Einstein.


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Decoding Energy Codes

Commercial building energy codes impose design standards for nonresidential buildings’ energy efficiency. Many states have implemented an energy code to regulate building design.



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Learning Curve: Challenging Changes to the Codes and Standards


For many of us, these are technologically challenging times. Just when I think I have mastered the latest smartphone, it changes. Prepare yourself, because, just like mobile devices, the codes and standards are morphing in ways you might not expect.



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Let's Talk About Precision: Fiber Optic Testing


When manufacturers are asked what is the biggest problem with installing of fiber optic components and systems, they invariably say “testing.” Practically everything they do depends on testing. During development, engineering and manufacturing in their labs, they test product performance.


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Taming the IoT: Interoperability 
of Internet Power Gains Traction

The Internet of Things (IoT) has many moving parts, and they’re moving quickly. One is power over ethernet (PoE), the IoT’s electric power delivery agent.


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Rising Stars

Rampant technology refinement and innovation are redefining security. More technologies help ensure mobile accessibility.


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Innovative Financing Models Fueling A Surge in Microgid Capacity

One byproduct of the renewable economy has been the growth of microgrids, as large institutions and communities look for new ways to accommodate distributed generation and utilities take measures to increase grid reliability.


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