Electrical Contractor Magazine

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 covered the challenges to traditional structured cabling from multimode optical fiber and wireless. Multimode fiber became the favorite cabling for the backbone but never made it to the desktop because every connected device already had a free Cat 5 port.

In this third part of my series on the most common power quality phenomena, I group several IEEE 1159 categories together under the general description of “distortion.” Though one might argue that all power quality phenomena result in distortions of the voltage sine wave, these are the more steady-s

Positioning


About three years ago, security service providers started offering smart security solutions complete with professionally monitored home security services that were enhanced with home automation and energy management capabilities.

There is no shortage of organizations predicting what the construction market will look like in 2014. We have all experienced how poorly predictions may work out in some areas (e.g., the weather).

Electrical Contractor Magazine

More on Systems

 
Segue from Residential Electrical Wiring into Telecommunications Wiring
by Staff |
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Having specialized in residential electrical wiring design and installation for many years, I felt excited about the opportunity to jump into the residential communications wiring game. This additional revenue stream could significantly increase electrical contractors’ bottom line.

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Web-sters Chasing Your Business
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Between 170 and 210 Web enterprises are chasing your e-commerce orders. Enjoy it while you can, because not all will survive. In September, five contractor-purchasing sites that are emanating from within the electrical industry itself were covered in the first part of this two-part article.

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Fuel Cells Now
by Staff |
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People have been talking about a hydrogen economy for many years, one driven by the cheapest, most common, nonpolluting element in the universe. This dream may become reality in this decade as hydrogen fuel cell development nears the production stage.

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Building a Successful VDV Service Business
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Providing first-rate, after-installation voice/data/video (VDV) service to your customers can be very profitable. More importantly, providing after-installation VDV service is a must if you want your project VDV business to grow and prosper.

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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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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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