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. 

Figure 1: Voltage and current transients during switching

Engineers in a large electric utility’s power quality (PQ) department had installed PQ monitoring to determine the source of a system component’s failures. They needed to see the voltage and current waveforms before, during and after the cap banks were switched in and out.

Six years ago, with no experience as an internet service provider (ISP) or telecom service provider, Google Fiber generated an immense amount of excitement by announcing that the company was going to build a gigabit-speed fiber-to-the-home (FTTH) network for Kansas City, Mo., a city chosen from more

Access control is one of the most prevalent and longstanding methods of securing entrances, exits and areas within protected premises.

Appetite for intelligence


The simplicity and ubiquity of home automation means opportunity for ECs. For one thing, today’s systems come ready to install, and contractors can learn installations in a matter of hours rather than weeks. For many ECs, it has been a welcome transition.


More on Systems

 
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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Data Centers, the Cloud and You

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.


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Data Center Power Consumption Metrics

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


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SpaceX Files FCC Application for Space Internet

One of the most popular points of contention in broadband internet delivery is that much of the United States is underserved or not served at all by internet speeds that meet the Federal Communications Commission's (FCC) definition of high-speed internet.


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Recording Available: Protection at the Point of Use Webinar

Arc fault circuit interrupters (AFCIs) bring a higher level of protection to today’s homes, many of which are increasingly overwhelmed by the growing electrical demands of our high-tech and appliance-rich lifestyles.


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