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Aquila in position prior to takeoff. (From left: Kathryn Cook, technical program manager for Aquila; Yael Maguire, head of Connectivity Lab; Mark Zuckerberg, Facebook founder and CEO; Jay Parikh, global head of engineering and infrastructure)
Facebook Tests a Solar-Powered Internet Drone

On June 28th, Facebook launched Aquila, a high-altitude, unmanned solar-powered airplane, for its first flight at Yuma Proving Ground in Yuma, Ariz. Although the team has been running tests and practice flights for months, until this point, only a 1/5th scale airplane had been tested.


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By Heisenberg Media (Flickr: Elon Musk - The Summit 2013) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
Tesla Makes a Bid for SolarCity

In the drama surrounding the growth of sustainable technology, a few companies have found themselves occupying a large space on center stage. Recently, two of those companies shined the spotlights on their space with the prospects of a merger.


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A local microgrid in Sendai, Japan
Microgrids Expanding in the United States

One of the byproducts of the surge in renewable power and smart technology has been the expansion of microgrids. According to recent reports, the systems are expanding nationwide.


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Salt Lake City Plans to Use 100 Percent Clean Energy by 2032

It’s one small step for— No, actually it’s a really big leap for Salt Lake City into renewable energy.


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Can I Ask You a Question?

Have you heard the joke about the pollster soliciting opinions outside the United Nations? It’s funny, but we’re not going to tell it here. We’re also not going to discuss political polling. We’re here to talk about you and what you’re working on.


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Arcadia Electrical And New York Look To Light Up Crime

Arcadia Electrical Company, Ridgewood, N.Y., installed 341 new lighting fixtures near walkways, playgrounds and parking lots at Polo Grounds Towers in Harlem as part of Mayor Bill de Blasio’s Action Plan (MAP), an initiative to reduce crime and increase neighborhood safety at 15 New York City Housin


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'Smart City' Aims To Redefine Urban Living

Executives at Sidewalk Labs, a subsidiary of Alphabet (the parent company of Google), are planning to meet with Alphabet executives to discuss plans for a rejuvenation project designed to turn a section of an existing city into a “smart city.” The plan calls for billions of dollars in investments to


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Energy-Efficiency Workforce Increasing

Four out of five clean-energy workers in New York state focus on energy efficiency, according to a new report published by Environmental Entrepreneurs (a national nonpartisan business group), the Alliance for Clean Energy New York, the New York State Sustainable Business Council and New Yorkers for


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School District Equips Buses To Deliver Wi-Fi Access


Technology is all about opportunity and innovation convergence. In a poor, rural, Southern California school district, officials saw an opportunity to meet a critical need for internet access and came up with an innovative solution, using one of its most plentiful resources.



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The Ins And Outs Of Safety

In March, I attended a Central Arizona Chapter International Association of Electrical Inspectors (IAEI) meeting. A discussion ensued about the growing number of improperly installed and uncertified light-emitting diode (LED) retrofit lighting kits.


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Voltage Drop: Sizing Equipment Grounding Conductors

The National Electrical Code (NEC) contains the minimum requirements for a safe installation. One must do at least that much when installing electrical equipment and systems. This means understanding how to size electrical conductors of circuits, including the equipment grounding conductors (EGCs).


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Stay In Control: Lighting Control Systems Certification

Over the past 10 to 15 years, commercial building energy codes have increasingly mandated automatic lighting controls.


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Thunderstorms

Enduring Mother Nature: Summer Storm Safety


Every year, preventable, weather-related injuries and deaths occur both on and off the job. With the summer storm season in full swing, employers and employees must educate themselves about the dangers associated with thunderstorms, tornadoes and hurricanes.


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The Curious Case of Voltage Sags

A while back, I wrote about a house with 14 kilowatts (kW) of solar panels installed on the southern exposure roof. Voltage and current monitoring at the breaker panel prior to the solar panel installation had shown 10–12-volt (V) deep sags occurring as frequently as every 22 minutes.


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Ideas That Work: Spill Avoidance, GFCI Tip and Dollar-Store Solution

Every month, we pick the top Ideas That Work submitted by you, ELECTRICAL CONTRACTOR readers.


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Whose Design Is It Anyway?

There is a tug of war in construction contracts over design responsibility and liability. An owner’s design team will spend months preparing detailed drawings and specifications.


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EIA Energy Conference Reveals High Hopes for Renewables

This week, the Energy Information Administration (EIA) held the 2016 EIA Energy Conference in Washington, D.C. Discussions focused on the state of the energy industry, with a real emphasis on the increasing role of renewables in the United States.


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IoT to Continue Rise in Residential and Industrial Sectors

A June 2016 report, "Market Data: IoT for Residential Energy Customers," published by Navigant Research, examines the global market for devices and services that are considered to be part of the residential "Internet of Things" (IoT), including forecasts for shipments, installed base, average sellin


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Something Old, Something New

Route 66, has connected Santa Monica, Calif. and Chicago, Ill., since 1926 and, for a long time, was a major pathway for those travelling across the United States. With the creation of the interstate highway system, the road's popularity plummeted, and today, it is largely used as a scenic route.


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IBEW/NECA Retrofit in Los Angeles Raises the Bar for Building Energy Efficiency

No profession is impacted more by the changes taking place in the energy sector than electrical contractors and electrical workers.


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