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: Power quality phenomena over the voltage range

The lights blinked for an instant, or a running appliance made a sound like the motor was slowing down. No digital clocks were blinking, no computers restarted, no production lines stopped.

Security systems solutions are designed to keep customers and their facilities safe, detect intruders, and obtain visual evidence and identification.

Many contractors have said to me, “The fire alarm system is supervised, and I have a green light on the fire alarm control unit.

A new piece of software developed by students will make streetlight outage detection a lot easier and faster for the City of Las Vegas.

More on Systems

 
Operating in a Wireless World

Wireless power management is on the rise. With its choice of closed or open systems, customers expect seamless performance. The electrical contractor (EC) that understands the two wireless approaches can recognize the benefits of each, ably work with a design team and better advise the client.


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What's Driving EVs?

Five years ago, as plug-in electric vehicles (PEVs) began hitting the road in numbers, U.S. gasoline prices were running around $3.50 per gallon and heading upward, and automakers saw a great market opportunity for cars that granted their drivers independence from the gas pump.


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Project challenges for Advent Systems included dealing with the sound reverberations caused by the diagonal lines and peaked center of the ceiling.
Heavenly Voices: Advent Systems, Soundworks System Integrators

Churches are designed to be places of worship. Pastors deliver sermons. Congregations pray, sing and clap. It’s a simple setting with a simple purpose. What can go wrong?



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Know The Facts: Residential Smoke Alarms

Each year, the National Fire Protection Association (NFPA) publishes fire statistics. Residential typically leads all other occupancy types in fires, injuries and deaths. However, since the advent of the residential smoke alarm, residential fire deaths have fallen by more than 50 percent. 



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Supercharge Your Specs

The market for electronic access control continues to grow. It’s a sign of an ongoing upturn in future specifications. A big opportunity resides in one- to 10-door systems because these openings still may have traditional mechanical locks.


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Three Reasons To Install A New HVAC System

Innovations in energy and building management systems have opened new avenues to implementing cutting-edge features to commercial buildings without increasing overhead.


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Distributed Resource Valuation Will Promote Grid Growth

The results of a new survey of 500 energy industry representatives (utility executives, regulators, distributed energy providers, etc.), conducted by GTM Squared, a research arm of Greentech Media, suggest that ongoing regulatory proceedings designed to properly value distributed energy resources (D


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