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. 

FCC Chairman Ajit Pai

On Tuesday, Nov. 21, Federal Communications Commission (FCC) Chairman Ajit Pai announced plans to hold a vote for the repeal of the FCC's net neutrality rules on Dec. 14. Despite popular support of the FCC's net neutrality rules, the repeal is widely expected to pass.

A variety of carts and reel carriers are available to hold and transport wire reels.

From shipping and arrival of wire supplies through installation, efficiently managing electric wire on the job can be the difference between a profit or loss.


When it comes to the adoption of energy efficiency and renewable power, financing is always a challenge, especially in rural areas. A new partnership between a business group and an environmental advocacy organization takes aim at that challenge.

I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


More on Systems

 
New Math

It seems like every decade or so, elementary school educators employ a new way of teaching math. When parents try to help, they are greeted with “That’s not how we do it.” Yet the fundamental laws of mathematics haven’t changed since the time of the ancient Greek and Persian mathematicians.



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Blending Online and Classroom Training


In our technological world, we all know training is mandatory to successfully break into any new type of work. For more than 25 years, the Fiber Optics Association (FOA) has been involved with training courses for electricians who want to get involved in fiber optics and cabling.



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Submetering Goes Mainstream

Until recently, the energy standards referenced by state and municipal building codes in the United States have emphasized performance levels of products specified for lighting, air conditioning and other building systems without reference to the importance of maintaining those performance levels ov


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Material And Market Demand

When a portfolio of work dried up in 2007 for Components Express, an electrical cable manufacturer in Woodridge, Ill., the company found a market niche and focused on a narrow but specialized line of cables used for video transmission: machine vision cables.


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Breaking Down Barriers: Biometric Advancements

How much simpler would it be if you could go for a run, stop to buy a bottle of water and return home without having to carry your wallet or keys?


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Changing With The Technology: New Fire Alarm Communications Methods


If you are like most people in the fire alarm industry, you struggle with what is and is not allowed for transmitting fire alarm signals to a supervising station. NFPA 72 has changed a lot in the last few code cycles, so let’s clarify some of those changes.



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Location, Location, Location: Smoke Detector Applications and Placement

One of the most common problems I find when reviewing installed fire alarm designs is the misapplication of smoke detectors.


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