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. 

There is an old saying that liars figure and figures lie, which implies that the truth can be a challenge to discern from both people and data. At a recent standards-making conference, I encountered some examples of this concept that seemed worth sharing.

For electrical contractors with a low-voltage or security division—or for any company involved in physical security and surveillance—keeping pace with new technology is one of the greatest challenges.

When I entered the business, I “sold” fire alarm systems. Codes at the time had begun to require that such systems be installed in some occupancies.

In its paper, “Intelligent Efficiency: Innovations Reshaping the Energy Efficiency Market,” Greentech Media notes that efficiency is an untapped energy resource that is already embedded in every commercial building, manufacturing facility and corporate campus.

More on Systems

Fiber's Biggest Enemy

Your mother was right--dirt is bad. Cleanliness can be next to impossible on the jobsite, but when it comes to fiber optics, it's mandatory. The problem is simply that fiber itself is small, about the size of a human hair.

Simultaneous Disconnects, Generator Wiring and More
by Staff |

CODE CITATIONS Article 100 Definitions Article 210 Branch Circuits Article 230 Services Article 250 Grounding Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 445 Generators Article 518 Places of Assembly Disconnect for multiwire branch circuit Q: There was a requirement in the

Flood of Products Hits as VoIP Tide Breaks Strong

The giant wave washing over low-voltage technology is VoIP (voice over Internet protocol). Anticipating contractors’ needs, vendors introduced a flood of products to the market.

Construction IT--Where Now?

The dot-com nuttiness is over. Were there doubt about that, it was confirmed at the A/E/C Systems 2002 show in June in Anaheim, Calif. There were a few dot-coms, but for the most part, exhibitors--and speakers at construction industry sessions--were moving on.

Card Access with All the 'Smarts'

In access control, the innovation never stops. In the cards themselves and the readers, technology has stepped up to provide the highest levels of security ever.

TIA Approves Category 6

After almost five years in the making, Category 6 is—believe it or not—now an official standard, having been approved and published.