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. 

Last month, I addressed how to determine if an adhesive/polish connector was good by inspecting the polished end of the connector with a microscope.

Every other year, the release of the Profile of the Electrical Contractor enables us to examine the changes that have taken place in the electrical contracting industry.

According to the Energy Storage Association, an energy-storage system improves the way electricity is generated, delivered and consumed. It certainly helps during power outages.

In April 2014, access control technology and security service provider Matrix Systems Inc., Miamisburg, Ohio, launched a technology division named Frontier.

More on Systems

 
Code Awareness Creates Work
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It makes sense that most contractors focus on the codes that relate to the system types they install. Specifically, professional systems contractors most use NFPA 70, National Electrical Code and NFPA 72, National Fire Alarm and Signaling Code.


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Caveat Emptor
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Recently, I was training a group of instructors and heard a complaint that I had heard before from another Fiber Optic Association (FOA) training organization.

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3,000A clamp-on CT
The Current State Of Current
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Debates within the organizations that develop the power quality standards will probably continue for years about why “power” isn’t really the subject of the standards. The majority of the standards present how to measure, monitor, characterize, categorize and set limits on voltage.

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Bringing BIM To Building Operations
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Contractors have been using rudimentary building-information modeling (BIM) tools since the 1970s to design installations before construction. Today’s BIM software tools aim beyond new builds to help users track operational efficiency.


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Know the Fundamentals
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“What is NFPA 72?” That sounds like a straightforward question, right? At least, we would like to think so. At a recent meeting, someone asked a technician this seemingly simple question. He replied correctly that NFPA 72 was the National Fire Alarm and Signaling Code.

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Generating Peace of Mind
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Who wants to be without lights, heat, air conditioning or a working refrigerator? Try asking someone who experienced days of power outage after the Oklahoma tornado or during Superstorm Sandy.


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Don't Worry; Be App-y
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In May, the Automatic Fire Alarm Association (AFAA) held its annual Codes Conference and annual meeting. The most talked about presentation was called “Is There An App For That?” Our presenters collected recommendations from numerous individuals about apps that they use in business.

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