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. 

At a small telecommunications facility, equipment mysteriously started self-destructing for no apparent reason. Laptops, routers, printers and cell phones were apparently just becoming nonfunctional.

After 15 years of rural living on a small farm in Southern California, my wife and I recently moved back into the city. Now, as we walk around our neighborhood, we are often reminded that we live in one of the smartest “smart cities” in the world: Santa Monica, Calif.

As new technology such as Amazon Alexa is linked to smart home devices, lamps are becoming more than simple lights that turn on when you flip a switch.  


I used to get weary of hearing intelligent buildings would be the norm in the near future. I never believed the concept would catch on. First, it was expensive. Second, there had to be a coordinated design for all of the systems in the buildings.

More on Systems

 
Class 1 Circuits

According to the National Electrical Code, Part 2 In 725.23, The National Electrical Code (NEC) covers overcurrent protection (OCP) for Class 1 circuits.


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Asia/Pacific Region to Lead in Fiber Revolution
by Staff |

Coupled with impressive growth in its broadband subscriber base, the Asia/Pacific region is standing at the forefront of the fiber to the home/node/business (FTTx) evolution, according to the high-tech market research firm In-Stat, Scottsdale, Ariz.


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Derating Service Conductors, Appliance Garage Receptacles and More

Article 90—Introduction; Article 312—Cabinets, Cutout Boxes and Meter Socket Enclosures; Article 314—Outlet, Device, Pull and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures; Article 330—Metal Clad Cable: Type MC; Article 695—Fire Pumps; Article 700—Emergency Systems


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Datacom Maintenance Work for New and Existing Installations

Datacom maintenance work today is different from a few years ago. Since there are no moving parts and so many installations are configured at initial startup and not modified for some time, there isn’t anything to maintain.


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Sending the Troops to Boot Camp

Integrated building system training Integrated Building Systems (IBS) represent tremendous opportunities for electrical contractors and are predicted to eventually outgrow the traditional electrical market.


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Singing the Blues

Security issues with wireless technology


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