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. 

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.


Beginning with the 2010 edition of NFPA 72, National Fire Alarm and Signaling Code, all of the “styles” of circuits were deleted, and four “classes” were added. A new chapter, Circuits and Pathways, was added during the reorganization of this code.

Many designers of the notification portion of a fire alarm or mass notification system (MNS) seem unaware of the specific performance requirements for each type of appliance as required or allowed by NFPA 72 2016, National Fire Alarm and Signaling Code.

More on Systems

 
The New Wireless Hype

Gi-Fi, shorthand for Gigabit Wi-Fi, 802.11 and wireless Gigabit to the desktop (wGTTD), is the latest and greatest wireless technology hype. The technology would be capable of transmitting high data rates.


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The ZigBee Buzz

ZigBee is the name OF a new open-architecture wireless personal area network (WPAN) technology designed for linking devices that perform a monitoring and control function.


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But They Changed Inspectors!

I enjoy working in the field. Providing construction oversight services for our clients gives me the opportunity to see the results of our designs and evaluate whether the contractors clearly understood our specifications.


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The 'New World' Challenge

Sept. 11, 2001, changed our lives forever. Since then, we have experienced additional security measures in all areas of our lives. According to the 9/11 Commission Report, “Private-sector preparedness is not a luxury; it is a cost of doing business in the post-9/11 world.


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Great Heights

Project managers at Baker Electric knew in 2001 that powering Des Moines’ new world-class sports and entertainment campus would be a major event.


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Fiber Optimism

Those involved in fiber optics are incurable optimists. Market forecasts always show upward trends and promise that fiber is going to replace copper wire or rebuff wireless and whatever other alternative methods of communications are currently being hyped.


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Instant and Temporary Networks

On-demand networks are not new. Plug-and-play functionality has been a component of networking solutions for quite some time, because network access is a constant and ever-changing issue affecting most operations.


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