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. 

The predictions have arrived! Analysts expect the first quarter of 2015 to show a rapid rise in commercial construction. Obviously, this is good news on almost all fronts.

One of my responsibilities over the years has been to field questions from our members and authorities having jurisdiction (AHJs) to help them find and understand code requirements. I have benefitted from the process as well.

A limited number of low-voltage contractors specialize in the installation of sprinkler systems power and controls. For them, it provides a regular source of revenue that most contractors have bypassed.

Fluke Networks DSX-5000 CableAnalyzer certification tester

A certification tester is the basic instrument for certifying that a building’s structured wiring meets industry standards. At one time, structured wiring referred to a facility’s communications network, but that has changed.

More on Systems

 
Shopping for Retail Fire Systems
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Retail stores or “mercantile” properties, as defined by the various building codes, include everything from small mom-and-pop stores in free-standing buildings to multiple stores in a strip mall, from large, enclosed malls to big-box stores selling books, hardware or whatever.

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Large Box, Small Box
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It certainly is not easy being a retailer today. There are so many different fronts to cover. From keeping customers happy to competing efficiently and seeing to security and management functions, the tasks at hand can seem overwhelming at times. Security is always an issue.

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Network Safety with a Retail Twist
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The retail industry is integration in action. The business owner or corporation for the most part has a computerized operation—from point-of-sale and employee time and attendance to security and a host of information technology functions.

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Designing LANs
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A LAN (Local Area Network) is the only true way to connect computers and peripherals to one another. LANs have become a necessity over the years.

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Lubrication Rooms with Pits, Receptacles Above Suspended Ceilings and More
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CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 250 Grounding Article 310 Conductors for General Wiring Article 400 Flexible Cords and Cables Article 406 Receptacles, Cord Connectors and Attachment Plugs (Caps) Arti

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Integrated Building Systems Today...and Tomorrow
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Chances are, the buildings of tomorrow will be smarter, safer, more automated and computerized than the buildings in which we now live, work, shop and play. Sunlight will be used with maximum efficiency to boost indoor lighting. Lighting will work in concert with security.

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Lessons (to be) Learned
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Consider the following statements summarized from a description of a “recent” blackout: • Needles on meters in utility control centers were swinging wildly.

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