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

Backups for Blackouts

Last year's blackout sparked a sharp rise in consumer interest in ensuring constant uptime, which has provided more and more opportunities for the electrical contractor. With this increased demand comes the consumer's desire for more cost-effective power.

Voice Data Products Show Maturation

It's an extension of capabilities that rules Straight from the show floor at the recent American Society for Industry Security (ASIS) convention in Dallas is this revelation: new isn't the buzzword for voice/data/video, security and life safety products-a maturation or extension of current capabili

Derating Cables, Metal Faceplates, Grounding Parking Lot Lighting Poles and More

Article 210 Branch Circuits Article 250 Grounding Article 310 Conductors for General Wiring Article 320 Armored Cable: Type AC Article 404 Switches Derating Cables Q: Is it necessary to derate types NM-B, AC or MC cables where these cables are bundled to enter a branch-circuit panelboard?

Casino Fire Protection-Not a Roll of the Dice!
by Staff |

Two decades ago, the disastrous fire at the MGM Grand Hotel and Casino in Las Vegas focused the world’s attention on the need for improved fire safety in casinos and hotels. The fire occurred on Nov.

Intrusion Detection for Secure Networks

On the scene to protect vital data for hotels, casinos and more Intrusion detection systems (IDS) are some of the new kids on the secured-computing block. While these network-based systems are on the rise, they are still misunderstood and not used nearly enough.

Expanding Your Knowledge Base

Use the Web to keep up with the latest information Most fiber optic installers get started by taking a short class or seminar that covers the basics. That usually means a half-hour lecture each on fiber optic technology, how it is used for networks and the various components.

Control Systems

Getting the most out of your system An important characteristic of an intelligent building is its ability to sense ambient conditions and react to them.