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

 
Wavelength Division Multiplexing (WDM) Expands Fiber Optic Bandwidth
by Staff |
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Students in my fiber optic classes have been inquiring about new optical networking companies dominating the business news recently.

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Home Networking: The Next Big Thing or Nothing at All?
by Staff |
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Many see home networking as a huge potential market. Contractors with a memory might confuse this boomlet with the home automation flop of the early- and mid-1990s. Is this more of the same, or something new—–and big?

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Terms of the Trade: Keep up with Fiber Optics Lingo...
by Staff |
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Absorption: That portion of fiber optic attenuation resulting in conversion of optical power to heat. Attenuation coefficient: Characteristic of the attenuation of an optical fiber per unit length, in dB/km.

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TIA-570-A: The Standard Whose Time Has Finally Come!
by Staff |
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The first release of “TIA-570-Residential Telecommunications Cabling Standard” was published in May 1991.

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Contractors Face Incompatibility Issues in Low-voltage Installations
by Staff |
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Prior to the advent of national and international standards, IBM, DEC, Wang, and others created proprietary networking systems.

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Control, Signaling, and Communications by Light
by Staff |
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Fiber optics technology is among the fastest-growing communications technologies in the world. It is increasingly being used for communications, signaling, and electrical control instead of older-technology hardwired systems.

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It's Time to Make the Move to Cat 5e
by Staff |
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The expansion of high-speed copper data cabling options—from Category 5 into Enhanced Category 5e, Category 6, and a multitude of proprietary classification schemes—has left customers and contractors confused about what they need, and even about what they’ve got once they’ve bought it.

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