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. 

A variety of carts and reel carriers are available to hold and transport wire reels.

From shipping and arrival of wire supplies through installation, efficiently managing electric wire on the job can be the difference between a profit or loss.


I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


Like many technology markets, telecom has always been a hotbed of hype. Somebody is always talking up the latest and greatest technology that will revolutionize the market. Not too long ago, it was fiber-to-the-home (FTTH). Recently, wireless has been getting all the attention.


Another storm on the horizon and another image of electric utility trucks heading off to help with recovery efforts. That seemed to be an almost-nightly occurrence in late August through mid-September, as hurricanes Harvey and Irma made their way to the U.S. mainland.

More on Systems

 
Holy Smoke!

Controlling smoke with doors and detectors: In this issue, we will discuss smoke doors and the National Fire Alarm Code requirements for the application and placement of smoke detectors for the operation and control of the smoke doors.


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The Challenge of Communicating the Alarm

Stores and public venues need special communications:


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Feel the Heat of Convergence

Convergence among security, lighting, energy management and other disciplines is growing in a host of financial and retail institutions; As more security integrators appear on the scene to solve retailer and banking problems—both from the physical security and information technology (IT) side—contra


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UPS systems

Who Really Needs One? Simply put, an uninterruptible power supply (UPS) is a device that provides battery backup when the electrical power falls to unacceptable voltage levels.


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Fiber Takes the Blue Ribbon

The ins and outs of ribbon fiber optic cable You would think that after being in a business for more than 25 years, you would have seen it all. But recently, I was introduced to the actual installation and splicing processes for ribbon fiber optic cable.


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Think Ahead

Commissioning fire detection and alarm systems Normally, a fire alarmis the last system to be commissioned on a project. The owner, of course, wants to obtain the certificate of occupancy and move into his or her building.


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