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. 

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.


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.

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.

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

More on Systems

 
Remote Monitors

While wandering the aisles at a trade show for consumer electronics, I was surprised to find several vendors selling fiber optic cables.


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Don't Cut the Landline

It is no secret that voice over Internet protocol (VoIP) has had problems regarding emergency service. Users’ exact locations are not always known, causing 911 calls to be transferred to the incorrect dispatcher. Many users were unaware that when they dialed 911, it would not always work.


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Seeing (and Hearing) Is Believing

Over the last few years, there has been confusion over which laws or codes apply to the audible and visible notification appliances.


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Ghost Busters

The optical time domain reflectometer (OTDR) has been an important tool for fiber optic testing and troubleshooting since its invention 25 years ago. We have discussed this several times in this column and in other Electrical Contractor articles, so I hope you are already familiar with them.


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Residential-Specific LEED

Although the construction industry has been dealing with green buildings and sustainable design for quite some time, there is a new entry into this residential market arena: LEED for Homes (LEED-H).


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The Contractor's Responsibility

Contractors who have developed their fire alarm system maintenance and testing business and specialize in the retrofit markets have already seen the financial benefits associated with these specialized businesses.


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Linking up

Most cabling installers have only a vague notion of what goes on the end of the cables they install or how the equipment works, especially when it comes to fiber optics.


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