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. 

As projects become more complex, electrical contractors need high-tech management methods to ensure more efficient results. Here are just a few examples to help you get headed in the right direction. 5pm

The dark fiber providers that most people are familiar with are private companies that were started to offer fiber connectivity for a profit. Today, there is a major movement toward building fiber networks as a public-private partnership.

Phasor diagram and equivalent sinewave plots

When considering power quality disturbances or the quality of the electrical supply, phenomena such as rms variations (sags, swells and interruptions), harmonics, unbalance and flicker usually come to mind.

Data center infrastructure management (DCIM) software enables data center operators to manage assets and changes, plan capacity, and monitor power, environment and energy usage.

More on Systems

Popularity of Green Power Growing in the Northwest

By Rick Laezman When given the choice, a growing number of retail customers in the Northwest prefer renewable energy to fossil fuel generated power.

NECA/IBEW Announce Web Site Dedicated to VDV

SAN JOSE, CA (Nov. 12, 2002)––The fastest growing segment of the electrical industry in Northern California, voice-data-video (VDV), now has its own web site, posted today as

Fiber Is Tougher Than You Think

Fiber optic cable has typically been categorized as fragile,like glass, which the actual fiber is, of course. But unlike drinking glasses that break when dropped or windows that lose every battle with a kid's baseball, glass optical fiber is incredibly strong and flexible.

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.