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. 

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!


Like many technology markets, telecom has always been a hotbed of hype. Somebody is always talking up the latest and greatest technology that will revolutionize the market. Not too long ago, it was fiber-to-the-home (FTTH). Recently, wireless has been getting all the attention.


Another storm on the horizon and another image of electric utility trucks heading off to help with recovery efforts. That seemed to be an almost-nightly occurrence in late August through mid-September, as hurricanes Harvey and Irma made their way to the U.S. mainland.

In Austin, Texas, monk parakeets nest in power transformers on poles high above street level. The nests become so large they can cause fires and power outages.

More on Systems

 
Buying Direct: A New Kind of Service Provider


If you can’t beat ’em, join ’em. That seems to be the attitude of electric utilities these days, as growing numbers of large energy users negotiate agreements to buy electricity directly from new wind and solar developments.


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The Internet Of Buildings: Connectivity, Data Collection and Monitoring

In 2009, Home furnishings retailer Havertys launched a sustainability program using a data-driven energy-management system to pinpoint inefficiency. After implementing a discrete energy-monitoring system, it was able to reduce overall consumption by 20 percent.


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Increasing System Profits Through Collaboration

Electrical contractors work hard to learn their business and understand how to complete a project professionally and make a profit. The profit part ensures ECs can stay in business. The professional part is mandatory if ECs want to stay in business and grow.


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Fiber Optics in Energy

We are all aware fiber optics is the backbone of communications networks such as telecom, the internet, local area networks, cable television and more. It’s also the backbone of the electrical grid.


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The Search for a Single Distortion Index


Over the past two years, the technical committee responsible for IEEE 1547, Standard for Interconnecting Distributed Resources with Electric Power Systems, has added a section on power quality (PQ), including the parameters, indexes and limits on those for distributed energy resources (DERs) connect


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Getting The Word Out: Mobile Workforce and New Integrations

Mobile applications, an increasingly fluid workforce and improvements in product integration are changing the landscape of mass notification systems (MNSs) and emergency communications. The technology is more responsive and better directed in messaging to the masses.
 Keeping a close eye



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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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