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. 

Moving to upstart revenue streams and mobile, remote systems management is the way smart, low-voltage electrical contractors are doing something about the changing security and integrated systems market.

Recently, I came across some research that could be a useful tool. In August 2016, Security Sales & Integration (SSI) published its annual Operations and Opportunities Report, which reveals key trends in the security dealer and integrator market.


The market for data centers is growing. It is being driven by many factors, including big data, the Internet of Things (IoT), cloud computing and intelligent computing that data centers make possible.

Many electrical contractors build, renovate, and maintain corporate and government data centers.

More on Systems

 
We Need More Fiber

Recent columns have focused on what is happening with dark fiber, that which is being “lit” to become the backbone of the world’s communications systems. Dark fiber connects data centers, cell towers, cities, towns, governments and people.


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A New Frontier Of Sales

Are electrical contractors getting what they need online from their distributors? The answer, as it happens so often, depends on whom you ask.



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Figure 1: Phase current and demand plots for July 22–Aug. 3
25 Cents A Blink

The electrical energy usage in most industrial and commercial facilities follows a reasonably consistent pattern from week to week, so a one-week monitoring program usually is adequate to determine what can be done to save 10–20 percent on electric bills.


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Normal Wear And Tear

In the course of daily business, you often receive a request to update or replace electrical systems in a building. Have you ever proactively asked customers to allow you to review and audit their fire alarm systems?



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The More Data The Merrier: Smart and Submeters

Utility companies have driven smart-meter installation in homes. Now, touting the amount of useful data smart meters can provide, utilities and building owners are setting their sights on commercial and industrial buildings through submetering.


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ZigBee, Z-Wave, Bluetooth and Wi-Fi


With so many choices, it can be difficult to know which signaling technology is best for the residential or commercial security customer.


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The Rest Of The Story: NFPA 72 Changes

In my last article, I wrote about the significant changes to the 2016 NFPA 72, National Fire Alarm and Signaling Code. One change that I did not bring up is to the NFPA process. In 2016, the “change lines” in the columns next to revised or new text will no longer be there.


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