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

 
PVC Conduit Underground, Disconnect for Residentia
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CODE CITATIONS Article 210 Branch Circuits Article 220 Branch Circuit, Feeder and Service Calculations Article 250 Grounding Article 352 Rigid Nonmetallic Conduit: Type RNC Article 422 Appliances Article 430 Motors, Motor Circuits, and Controllers Article 514 Motor Fuel Dispensing Facilities Article

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Planning a Fire Alarm System Installation
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Developing a ‘specialty’ crew is important The fire alarm system installation for most new building projects inevitably is a Division 16 responsibility.

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The DER Niche Market
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Electrical contractors working for utilities or interested in a growing niche market might do well to investigate opportunities in distributed energy resources (DER). They are parallel and stand-alone electric generation units located within the electric distribution system at or near the end-user.

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Article 210--Branch Circuits: Required Lighting Outlets, Part II
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210.70 Lighting Outlets Required The National Electrical Code states its purpose as “the practical safeguarding of persons and property from hazards arising from the use of electricity.” [90.1(A)] The adequacy of the Code is covered in 90.1(B).

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Fuel Cells--Power Source for the Future
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It has been three decades since fuel cell technology first emerged, but the clean and efficient power alternative is just now beginning to take off.

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Homeland Security: Contractors Vie for New Systems Installations
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Without a shadow of a doubt, the events of Sept. 11, 2001, changed the world. Our understanding of what it means to feel safe and secure were forever altered.

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Call to Action to Protect Government Facilities
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The attacks of 2001 may be in the past, but efforts to fortify government facilities against terrorist acts continue. A crucial turning point came for the United States on the morning of Sept. 11, 2001. It was then that the people of the U.S.

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