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. 

Eaton’s Power Xpert multipoint meter

Although submeters have long enabled building owners, multiresidential property managers and facility managers to better control energy consumption and costs, use of the technology has remained steady in about 10 to 15 percent of the commercial and multifamily residential building space.

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.

Electrical Contractor Magazine

More on Systems

 
Termination Processes Decide Costs
by Staff |
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Last month’s fiber optics column focused on estimating. This month’s column targets a small but important part of installation costs: fiber optic cable termination.

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When Estimating Fiber Optic Systems, Experience Is the Best Teacher
by Staff |
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Practically everything I know about estimating fiber optic jobs I learned from Doug Elliott. Doug is a well-known instructor who learned fiber optics from me at the first Fiber U in 1993 and is a full-time installer in the Toronto area.

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Could You Become an 'E-Commodity?'
by Staff |
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Most of the talk about e-commerce has covered how you can, might, or will use e-business for your company’s benefit.

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Automated Systems Control the Future
by Staff |
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There are basically two levels in any industrial automation project—the device level and the operator and supervisory control levels.

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Fire Alarm System Panels: Conventional versus Addressable
by Staff |
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Should you install conventional or addressable fire system panels? The answer ultimately lies upon close examination of the application and the protected premises.

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The 'New' Home Systems Market
by Staff |
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You’ve heard it before: this is the year for home systems. Everyone thought market saturation would advance quickly for home systems, but consumers couldn’t get a handle on the plethora of products, protocols, and functions—which benefits they could use.

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