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 fountains and walkways of the healing garden are illuminated by LEDs.

In the healthcare-lighting arena, the improvements and increasing affordability of light-emitting diode (LED) products, along with advancements in lighting control technology, enable creative lighting designs that benefit patients and staff members.

In preparing to write my next article, I often review the topics I have covered in the past year or so, and I consider the issue’s theme.

As most of you know, the codes and standards for fire alarm and mass notification systems change on a three-year cycle. New technology and more refined occupant needs top the list of reasons for most changes.

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.

More on Systems

 
Small Bites, Big Meetings: Make IRS Security Job a Success
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It’s safe to say the Internal Revenue Service (IRS) keeps close watch on everyone’s money. Especially its own revenues and expenditures.

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Who Watches the Watchmen?
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Backing up your backups—aka redundancy—is critical Having backup for the backup to the backup is the only way to go in power and systems. For the healthcare market, which provides critical and comprehensive care 24/7, it’s a necessity.

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Testing Fiber Optic Loss
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Two measurements of optical power required Compared to Category 5e or Category 6, fiber optics wire is easy to test. A “flashlight test” can make sure the fiber has continuity and is correctly identified.

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Making the Grade
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A system assessment is essentially a comprehensive overview of the structure, layout and functionality of any given system. In the world of electrical contractors, we are more often than not referring to networking systems, even though the same methodology applies to electrical systems.

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NM Cables Installed in Temporary Installations
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Article 305 for temporary wiring in the 1999 National Electrical Code has been relocated to Article 527 covering temporary installations in the 2002 NEC.

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Help Is On the Way
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Look for a new fiber test bulletin (not a standard) from the Telecommunications Industry Association (TIA ) in 2003. We all know fiber is looked at as more difficult to work with, so maybe that is why a new guidance bulletin is coming out that better describes fiber testing in the field.

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Opportunities and Challeges Continue to Grow in the Fire/Life Safety Systems Market
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The estimated installed market value of fire alarm systems in commercial facilities is valued at nearly $3.3 billion. It is estimated that systems installers account for more than half of this market value (55 percent). This information is based in part on the “U.S.

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