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. 

If you buy a new car in 2040, there’s a better than 50/50 chance it will be powered by electricity rather than gas.

Electronic access control is one of the most proprietary technologies (beside fire alarms) with the largest installed base of legacy equipment in the physical security industry.

Since 1999, the National Fire Alarm and Signaling Code has required survivability for certain circuits that need to work during a fire. In truth, the code has always required speaker circuits serving emergency voice/alarm communications systems to meet a performance requirement for survivability. 


Figure 1: Special manual building evacuation station. Photo courtesy of Jensen Hughes Inc.

Recently, a number of inquiries were made to our office regarding the topic of delaying or preventing the activation of fire alarm notification appliances.

More on Systems

 
Smarter and Safer Cities

Connected people, places and things. The number of integrated systems solutions is rapidly expanding, bringing data and gathering analytics from more points than ever.


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Fire Alarm Systems 101

Many technicians new to the fire/life safety field perform fire alarm system installations. For these technicians, the code and the equipment they intend to install look ominous.



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Unwanted Alarms

There has been discussion about unwanted alarms in the last few years. The fire service says this is “an industry problem,” but is it? What can be done to improve the reliability of fire alarm systems so people stop ignoring alarms when they activate?



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On The Road To Success: Rosendin Electric's Network Services Group


These days, it is becoming more common for low-voltage contractors to specialize in a specific type of work (such as security or audiovisual) or a specific customer base (such as hospitals or schools).



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New Electrical Equipment Standards For Nuclear Power


Safety has always been one of the biggest knocks against nuclear power. A standard adopted in March 2016 by the Institute of Electrical and Electronics Engineers (IEEE) and the International Electrotechnical Commission (IEC) could further the industry’s neverending quest to address those concerns.


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Greenlee offers a variety of fishing reach poles and telescoping fish poles.
Cool Tools: Fish Sticks And Fishing Tools

The routing of wiring for voice/data/video, security, alarm and control systems is done differently from electrical cable and, in most cases, is completed with different tools.



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The Future Of Building 
Automation Systems


Two recent reports analyze the outlook for building automation and control systems.


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