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. 

All of those millions of miles of dark fiber are primarily expected to deliver broadband connections. The Internet continues to grow unabated, and bandwidth must be expanded to accommodate that growth. 

Sometimes called the third wave of the Internet, the Internet of Things (IoT) is the next technology megatrend.

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.

More on Systems

Retrofit Market Eyes CCTV

If you are an electrical contractor who offers voice/data/video, fire or other low-voltage systems and services, you’ve probably been getting more inquiries from end-users who want to retrofit their aging security systems.

IP Telephony

Telephony is the most basic form of communication, and we are not talking about the kind that carries you through a cocktail party.

Electrical Power - A Right We All Treasure

North America received an earsplitting “wake-up call” last month when the biggest blackout in U.S. history darkened eight American states and two Canadian provinces, driving millions out in the streets and closing more than 100 power plants across the country.

The Mysterious dB of Fiber Optics

Whenever tests are performed on fiber optic networks, the results are displayed on a meter readout in dB. Optical loss is measured in dB while optical power is measured in dBm. Loss is a negative number (like -3.2 dB), as are most power measurements. Confused? Many fiber optic techs are too.

Extreme Installations

Often an electrical contractor will be asked to install a fire alarm system in what some would define as a “harsh” environment. In these cases, the contractor must be ready to satisfy his or her customer’s request for an adequate, code-complying system.

Wireless Solutions: When Less is More

Times have changed and so has the hospitality industry. Nowadays, bigger is almost always better. Quaint bed and breakfasts may still exist, but most hotels have gone in the other direction. Just take a look around at any recent hotel or casino and you can literally get lost.

Big Winner in the Casino Market

Casino work involves the deployment of state-of-the-art systems and solutions. When a gambling cheat enters a casino, he or she should face a daunting array of security.