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

IBS: Here Today, Here to Stay

Over the past few months, many progressive contractors have told me that becoming increasingly involved in the Integrated Building Systems market has been one of their primary business goals––and it’s a step in the right direction.

Voice and Data Systems Converge

The telephone and networked personal computer (PC) have become indispensable tools in today’s fast-paced business environment.

Avoiding False Alarms

Many electrical contractors will attest to the fact that fire alarm systems offer a nice addition to their primary electrical business. Most can also tell a horror story or two about the number of costly and unpaid service calls due to false alarms from fire alarm systems.

Distance Education

The education market has gone through many changes over the years. Advances in technology seem to have provided the biggest differences. Just think about it: computers are more commonplace than ever and many kids don’t even know what a typewriter is.

Testing for Category 6 Cabling

As you may know, the Telecommunications Industry Association (TIA) has agreed that Level III-qualified testers are to be used when certifying or verifying Category 6 cabling systems (Category 6 cable is a 100-Ohm cable with transmission characteristics specified up to 250 MHz).

The Little Engine that Could

Ask most electrical contractors about the latest cogenerating technology—microturbines—and you’re likely to get silence, or possibly: “micro-what?” This technology, which has only been on the market a few years (Capstone Turbine’s C30 model was introduced in December 1998), may still be relatively u

Layer Security with Sensors and Detectors

Critical surveillance calls for a variety of detectors and sensors, and there are some heavy hitters to get the job done.