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. 

by
Staff  

For local area networks that do not require certification, qualification (or performance) testing is a less expensive option for contractors to test that an installation complies with component manufacturer standards and will perform to specifications.


There’s major disruption in the electronic access control systems (EACS) market. What was once a proprietary, closed technology sector within security has opened to align with the growing internet of things (IoT), data collection and analytics.

Tech disruption can be a scary phrase. It can feel too fast, too soon. Break through the anxiety, however, and technology can ease and improve processes and performance. For the electrical contractor, maybe the time is ripe for a little disruption.


Fluke Networks CableIQ qualification tester

For local area networks that do not require certification, qualification (or performance) testing is a less expensive option for contractors to test that an installation complies with component manufacturer standards and will perform to specifications.

More on Systems

 
What Business Are You Really In?

The title of this article is not meant to make you smile. 
Most Electrical Contractor readers work in the contracting business. But, on a daily basis, personnel and clients likely bombard you with requests to take on a new challenge and to do a better job at the work already being performed.



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More To Come: A Sneak Peek at the 2019 NFPA 72, Part 2


In October, I listed some of the significant changes proposed for the 2019 edition of the NFPA 72, National Fire Alarm and Signaling Code. This month, I cover more of the important proposed changes. Keep in mind that this is based on the public input stage.


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Fluke’s laser distance meter
Cool Tools: Measuring Tools

Measuring tapes are a basic and necessary tool. When the dimension to be measured is inaccessible, handheld, laser 
distance-measuring tools may be the only safe and practical solution. 
 There are many options today for taking measurements on structured-wiring projects.
 Laser measuring tools



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A True Turnkey Integrator

Ferndale Electric Co., Ferndale, Mich., which employs an average of 130 electricians, performs electrical work for automotive plants, power plants, bottling plants and other industrial facilities. It also renovates electrical systems for lift bridges and completes major projects for airports.



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Open to Interpretation: The Accuracy of Optical Loss Measurement Data


Last month, I discussed making loss measurements with a light source and power meter—what we call optical insertion loss—and the causes of errors in those measurements.


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So Many Choices: Deciding Which PQ Instrument Is Right


One challenge with going to one of America’s iconic eating establishments—the diner—is that the menu has so many choices that decisions can change a dozen times before the server takes the order.


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Power Solutions

At the MIT Energy Conference in March 2016, U.S.


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