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. 

This summer, New York-based Consolidated Edison (Con Edison) spent $1.6 billion to upgrade its delivery system, including 12 network transformers, 70 overhead transformers, 16 underground feeder sections, 37 overhead sections of power lines and reinforcement of 25 electric feeders.

Last month, I wrote about measurement uncertainty and metrology, the science of measurements. This month, I get more specific and cover the uncertainty of some basic fiber optic measurements, starting with optical power.

It has become an axiom of the sustainable energy movement that various trends feed the market for new and innovative technology. For example, the push for greater energy efficiency has fueled the market for building energy management systems (BEMS).

While renovating a basement, I came across a poster for “The Endless Summer,” a film released 50 years ago in which two surfers travel the world’s oceans, chasing warm weather and surfing adventures.

More on Systems

One-Third of U.S. Households Broadband Enabled

ROUGHLY ONE-THIRD of U.S. households now subscribe to some type of broadband service, reports In-Stat, a Scottsdale, Ariz.-based market research firm. As broadband becomes more commonplace, Internet use is evolving with broader adoption of a variety of applications.

NEMA Releases 2006 Motors and Generators Standard

The National Electrical Manufacturers Association (NEMA) has published MG 1-2006, Motors and Generators.

U.S. Breaks All-Time Weekly Demand Record for Electricity During Heat Wave

THE U.S. DEMAND for electricity reached an all-time record in late July, during a punishing national heat wave. U.S.

NFPA Amends Codes, Includes Electronic Monitoring of Fire Extinguishers

The National Fire Protection Association (NFPA) voted to amend NFPA 10 and NFPA 72 to include electronic monitoring in lieu of mandatory physical 30-day inspections. The ruling went into effect at the beginning of September.

Perfect Partners

Fifteen million users couldn’t be wrong. That’s how many surveillance cameras were sold in 2005, according to a leading security industry report. As security concerns rise, closed-circuit television surveillance (CCTV) continues to come to the rescue.

FTTP Network to be Constucted in Houston
by Staff |

AT&T Inc. and General Growth Properties have agreed to construct a fiber to the premises (FTTP) network to deliver such services as digital TV, high-speed Internet and voice services to a 20,000-home, master-planned community near Houston.

Sticking Together

The majority of Fiber optic connectors are still installed in a process that uses an adhesive to attach the connector to the fiber and polishing to finish the end surface of the connector.