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. 

Sturgeon Electric Co. Inc. in Henderson, Colo., has been in business since 1912. It expanded into low-voltage work in 1984, when private bank exchange companies asked if it would be interested in performing their installations.


Although security has been necessary to protect people and property for decades, it is now considered part of the holistic experience with factors such as connectivity, convenience and integration with other systems.


Renovating commercial buildings that require fire alarm system updates presents many challenges. First, the upgrade that is designed and installed must comply with NFPA 72, National Fire Alarm and Signaling Code. The challenge comes from determining which edition should be followed.

Ideal Networks LanTEK III certifier

Commercial datacom networks must be certified that they are correctly installed and meet industry performance standards. That makes certification testers a basic tool for installers, and manufacturers must plan ahead to have test instruments available as standards change.

More on Systems

 
Pitfalls to Avoid

In most fire alarm system installations, electrical contractors simply follow the specifications and drawings developed by an engineer.


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Planning Ahead

Recently, we received a phone call from a fiber optic instructor we know asking an unusual question. Can you run single-mode fiber to the desktop? Of course, we told him, why not?


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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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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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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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