March 2017: Smart Lighting


Knowing how light plays and today’s LED capabilities helped designers and contractors achieve a stand-alone space, the Blossom Cocktail lounge at the MGM National Harbor casino.

From high-definition panels to vibrant pinpoint light, from deep, true color to interactivity and animation,...

An interesting phrase comes up frequently in the rapidly evolving streetlight market: “real estate.” Most...

Lighting controls save energy by turning off or reducing lighting when it's not needed. The smarter the control and the more flexible the light source, the greater precision in delivering maximum energy savings. Because LED lighting is instant-on and easily controllable, outdoor lighting control now offers higher energy cost savings through flexibility.

According to the U.S. Department of Energy (DOE), about 160 million lamps operated in...

Just as building intelligence systems draw information about a building’s environment to help manage the...

By most standards, the United States has a highly educated populace. However, one glaring omission...

Hioki PQ3100 PQ analyzer

The quality of electric power that operates building systems has always been important, but as...

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| March 2017
During the past couple of months, I have had questions about whether a chase nipple, a raceway (conduit) nipple or a hub can be used to enter into panelboards, load centers, s

Figure 1: Power quality phenomena over the voltage range, Figure 2: RVC event depiction per IEC 61000-4-30 Edition 3, Figure 6, Figure 3: The green plot is an RVC, while the red plot is a sag.
| March 2017
The lights blinked for an instant, or a running appliance made a sound like the motor was slowing down.

| March 2017
In the original “Jurassic Park” movie, mathematician Ian Malcolm warns the creator of the park that control is an illusion.

| March 2017
An electrical contractor client of mine came to me with a problem.

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| March 2017
Article 110 in the National Electrical Code (NEC) contains general requirements for electrical installations.