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

 
Reverse Auctions and Construction - Online Bidding Has Promise and Problems
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In reverse actions, also knows as "online auctions," " e-sourcing," and "e-procurement," buyers use the Web to drive prices down. If this concept is new to you, it might sound weird. An auction might be held after a company goes bankrupt and sells off its possessions, including desks and computers.

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Installing Fire Alarm Systems - Part I: A Quick Guide To Getting Started In The Business
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Many electrical contractors have attempted to install commercial fire alarm systems and because they were not properly prepared, they did not enjoy the experience. What steps do you take to properly install such a system?

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Fiber Optic Update - A Peek At The Future, A Look At The Past
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The beginning of the year is always a good time to reflect on the past and contemplate the future. Except in fiber optics. It is hard to get people to look back, as the last year and a half has been pretty painful for many in fiber.

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Fiberoptic Cabling May Have Bottomed Out
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By Rick Laezman Like many high tech products over the last few years, fiberoptic cable has experienced a roller coaster ride of extreme highs and lows. 2001 was a peak year for installations of single- and multi-mode fiberoptic.

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Generators and GFCI, Pool Wiring, Inspection Questions and More
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CODE CITATIONS Article 225 Feeders Article 230 Services Article 250 Grounding Article 408 Switchboards and Panelboards Article 445 Generators Article 680 Swimming Pools, Fountains and Similar Installation Systems NFPA 20 1999 Standard for the Installation of Stationary Pumps for Fire Protection Grou

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Intelligibility--What Did You Say?
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How many times have you been to a large corporate complex and struggled to hear an announcement on the public address system? Now consider the same sound system and the dangers when the listener is instructed in emergency evacuation procedures.

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Smarter Distributed Controls
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Imagine being on summer vacation in Australia while it's mid-winter back home in Boston. Your neighbor has kindly agreed to feed your exotic fish while you're away for three weeks, and you know she'll be visiting every morning and evening.

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