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 renewable power increases its market share, energy storage assumes a larger role. Recognizing the importance of government benchmarks, California lawmakers have taken steps to raise the state’s energy-storage standard.

J.M. Electrical Co., a Lynnfield, Mass., contractor with a specialty in advanced automation building system installations, recently completed project operations at the 85,000-square-foot Hanscom Air Force Base Middle School in Bedford, Mass., which holds 312 students.

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.

More on Systems

Designing LANs

A LAN (Local Area Network) is the only true way to connect computers and peripherals to one another. LANs have become a necessity over the years.

Lubrication Rooms with Pits, Receptacles Above Suspended Ceilings and More

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 250 Grounding Article 310 Conductors for General Wiring Article 400 Flexible Cords and Cables Article 406 Receptacles, Cord Connectors and Attachment Plugs (Caps) Arti

Integrated Building Systems Today...and Tomorrow

Chances are, the buildings of tomorrow will be smarter, safer, more automated and computerized than the buildings in which we now live, work, shop and play. Sunlight will be used with maximum efficiency to boost indoor lighting. Lighting will work in concert with security.

Lessons (to be) Learned

Consider the following statements summarized from a description of a “recent” blackout: • Needles on meters in utility control centers were swinging wildly.

Calling All Contractors

Call centers have come full circle, mainly because they have helped to redefine and reshape customer service functions for a wide variety of businesses. Due to competition within almost all market sectors, customer service has become a defining business function.

Why Isn't Fiber More Popular?

My first thought in writing this column was that the title was wrong.It should be “Why Do People Still Install Copper?” In the fiber optic business, we’ve suffered from the copper industry’s harping that fiber is fragile because it’s made of glass, hard to install and too expensive.

Intelligent Buildings

A flooded landscape strewn with debris was all that many could see last month as Hurricane Isabel hit the East Coast of the United States, leaving millions without power and blowing down 60-foot pine trees in many neighborhoods, including mine.