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. 

A variety of carts and reel carriers are available to hold and transport wire reels.

From shipping and arrival of wire supplies through installation, efficiently managing electric wire on the job can be the difference between a profit or loss.


I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


Like many technology markets, telecom has always been a hotbed of hype. Somebody is always talking up the latest and greatest technology that will revolutionize the market. Not too long ago, it was fiber-to-the-home (FTTH). Recently, wireless has been getting all the attention.


Another storm on the horizon and another image of electric utility trucks heading off to help with recovery efforts. That seemed to be an almost-nightly occurrence in late August through mid-September, as hurricanes Harvey and Irma made their way to the U.S. mainland.

More on Systems

 
Feeling the Flow

Data centers live and die according to their ability to cool their systems. If a data center loses its ability to keep cool, then its systems will fail. Part of the data center management team’s responsibility is ensuring the systems do not get too hot.


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Explosive Growth

The demand for photovoltaic (PV) systems in commercial, institutional and residential buildings continues to grow. Over the past decade, the PV industry has experienced phenomenal growth driven by environmental concerns.


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Educate Yourself

Recent events have lead me to carefully consider the meaning of standards. I spent more than a dozen hours helping an end-user and a cabling contractor understand what TIA-568 required (and/or allowed) for fiber optic testing.


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Coordinating Orders

Not too long ago, electrical contracting firms only had to meet National Electrical Code (NEC) requirements and project plans and specifications when installing lighting systems.


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Take out a Contract

Running a successful contracting business is a time-consuming job. You spend time marketing and selling your company to clients and then spend time operating the company, hopefully at a profit. Those of you who install fire alarm systems often treat them like other electrical projects.


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Rising High

The drive toward high performance buildings demands the integration of diverse building systems that were not previously required to interact with one another. For example, occupancy sensors no longer control just lighting in a space. They also control the HVAC system supplying that space.


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