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. 

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).

After years of low compound annual growth rates (CAGRs) and limited innovation, the home security market is finally evolving with new and affordable security control products, and systems are becoming widely available, according to a November 2013 blog from Amdocs Inc., a software and service provid

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More on Systems

 
Macro Opportunities In Microgrids
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It hasn’t been easy to live in Connecticut the last couple years. First Hurricane Irene slammed through the state in August 2011, leaving some residents without electricity for weeks. A freak Halloween snowstorm two months later brought wires down again.

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From 'Commodity' Installer ...
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Like most contractors, you probably keep busy trying to sell and install what you know best, struggling to provide the low bid to get the work.

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Think Globally
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There’s some good news in the construction arena: A significant number of new college dormitories and multifamily residential properties have recently broken ground or will do so soon. Reports indicate that more projects are in the pipeline.

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Rules Of Order
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We all know our an industry is governed by codes and standards. While many complain about some of the requirements, few try to do anything about it. We all have an opportunity to fix things that we don’t like. Most people don’t understand the process or believe they can have any effect.

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Low-Key Approach To Low-Voltage
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PDE Total Energy Solutions in Santa Fe Springs, Calif., with a satellite office in San Leandro, is a full-service electrical contracting company.

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The Nature Of Network Needs
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This is the first in a series of columns on networks and cabling—media, really—as we explore the nature of networks, their cabling needs and how they have evolved to provide for today’s “always connected” society.

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Figure 1: Monthly plot of active power of one phase
Examining The Fine Print
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When reviewing data from your power monitoring system, the 30,000-foot approach is a typical starting point. 


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