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. 

The years leading up to 2016 were transitional for the security industry. As products and services continue to move to the cloud, the industry has been hard at work learning the morphing landscape and how to best approach the new wave of opportunity emerging from every front.

In the past year, fiber optics underwent some important developments, some technical and some market-related. For those of you working in fiber optic network design and installation, the changes present opportunities and challenges.


This article is the first in a series that provides a step-by-step approach for performing arc flash calculations.
 Arc flash studies and software


I often give my power quality (PQ) 101 course to new engineers or salespeople. This introduction starts with the basics: an overview of PQ phenomena based on IEEE 1159 Table 4.2 followed by Ohm’s and Kirchhoff’s laws and how they apply to power quality.

More on Systems

 
New Opportunities In Access Control

Contractors and their customers­­ are looking at the specification possibilities for long-range transmission-reading technologies as a standalone solution or piggybacked on proximity (hands-free) and smart card access control.



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Design Interventions

Where do you begin? The technician inside all of us wants to immediately lay out the design on the plans, but that should not be your first move. Instead, determine what goals the owner and other relevant stakeholders want the building’s fire protection system to do.


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Weather Guard van upfit components
Cool Tools: Vehicle Upfits

No matter the trade, an organized and well-outfitted truck makes workers more efficient, enabling them to complete jobs faster and finish more tasks every day.



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Playing Small, Winning Big

Lloyd F. McKinney Associates, Hayward, Calif., may be a small business, but in the eyes of project manager Ty McKinney, its size is one of the company’s major strengths. However, the company isn’t small because it’s a new business with plans to expand.


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Raising The Bar

“The only thing worse than training employees and losing them is to not train them and keep them.” I’ve heard Wayne D. Moore cite this Zig Ziglar quote many times during presentations, and, for me, it always hits home.


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Wiring Wireless

All of that dark fiber we have been discussing the last few months is getting used for some fast-growing applications, and the fastest may be connecting cell towers. Cell phones have evolved into mobile data devices. Smartphones and tablets consume vast amounts of data.


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Screaming For Ice Cream

A hot summer’s evening usually begets long lines at the local ice cream shop. Recently, at one such shop, the line grew extra long when the cash registers and credit card machines mysteriously powered off and on.


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