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 quote “The more I learn, the more I realize how much I don’t know,” is popularly attributed to Albert Einstein.

Commercial building energy codes impose design standards for nonresidential buildings’ energy efficiency. Many states have implemented an energy code to regulate building design.


For many of us, these are technologically challenging times. Just when I think I have mastered the latest smartphone, it changes. Prepare yourself, because, just like mobile devices, the codes and standards are morphing in ways you might not expect.


When manufacturers are asked what is the biggest problem with installing of fiber optic components and systems, they invariably say “testing.” Practically everything they do depends on testing. During development, engineering and manufacturing in their labs, they test product performance.

More on Systems

 
Double Duty

Using fire alarm systems for special applications Fire protection designers may use fire alarm systems for special applications in many building and fire protection scenarios.


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The Good Side of Government Intervention

A brief history of how fire alarm codes came about Many people are blissfully unaware of why we have fire alarm system codes and standards.


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Boom or Bust?

Are there jobs for you in the nuclear power market? According to the World Nuclear Association, a recent study determined that nuclear energy incurs about one-tenth of the financial cost of coal to produce electricity.


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Circuit Breakers on Delta Circuits, Flexible Metal Conduits and More

CODE CITATIONS Article 100 Definitions Article 210 Branch Circuit Article 220 Branch Circuit, Feeder and Service Calculations Article 240 Overcurrent Protection Article 250 Grounding Article 310 Conductors for General Wiring Article 334 Nonmetallic Sheathed Cable; Types NM, NMC and NMS Article 404 S


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Here Comes the Sun

Outdoor solar lighting has a bright future With little fanfare, solar lighting systems are being installed on a growing number of projects, and lighting powered by sunlight has quietly evolved into a mature technology with widespread acceptance.


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Plenum vs. Non-Plenum

A minor decision that can prove costly Cabling choices are abundant; there are so many options these days that it is almost impossible to list them without leaving a few out.


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Are Epoxy/Polish Connectors Obsolete?

Low loss is still a big issue Terminating optical fibers by attaching connectors with epoxy adhesive and polishing the ferrules seems like an anachronism. That was how we started almost 25 years ago, so surely better methods have been developed by now.


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