Crops, of course, have always relied on three things from nature: soil, water, and sunlight. If executives at AeroFarms have their way, though, the future of crop growing will be mesh cloth, small amounts of water, and LED lights.
Regardless of what the federal government does or does not do in the coming months and years to incentivize and otherwise promote energy efficiency initiatives, most states are continuing to ramp up their own efforts.
These days, almost anything for the home can be automated. Door locks, window blinds, switches, toasters—all are available as "smart devices" connected to the Internet of Things (IoT). Despite this bevy of products, they can’t all work together.
Ideas That Work is one of the most consistently well-read features in the magazine. Every month, it fosters community and idea sharing among contractors, electricians, and installers with the goal of saving our readers time, money, and frustration.
Recently, LED lights have been touted as the technology that would catapult the nation's lighting program into the future, but there is now growing concern over the potential negative impact of LED lights on human sleep patterns and nocturnal animal health and behavior.
It can be safely said that 2016 will prove to be a memorable year in Washington, D.C. Everything the experts knew about politics was turned upside down and inside out as the election results broke nearly every rule we have ever known.
Do you remember in the movie “A Christmas Story,” the dad wins a “major award” that turns out to be a table lamp shaped like a woman’s leg in a mini skirt? Classic! Think of this issue of ELECTRICAL CONTRACTOR as a major award on the topic of lighting.
Tiny video cameras mounted at the end of flexible cables. Infrared thermal imaging cameras that detect heat. The photo-taking capability of the ubiquitous smartphone. High-definition digital video and photo cameras mounted on unmanned drone aircraft.
Measuring tapes are a basic and necessary tool. When the dimension to be measured is inaccessible, handheld, laser distance-measuring tools may be the only safe and practical solution.
There are many options today for taking measurements on structured-wiring projects.
Laser measuring tools
Jim Dollard has an extensive background in codes and standards. If you have a query about the National Electrical Code (NEC), Jim will help you solve it. Questions can be sent to email@example.com. Answers are based on the 2014 NEC.
What is a knife switch?
The majority of LED lighting products use an electronic driver that functions similarly to a fluorescent ballast. The driver converts incoming alternating current (AC) to direct current (DC) and drives this current to the LEDs.
The U.S. DepartmentS of Labor and Health and Human Services estimate that more than half of all employers offer their employees some form of wellness program. Statistics also indicate most organizations that don’t have a program in place plan to add one in the future.
There is no doubt that video surveillance cameras are a critical, indispensable part of security at the customer’s protected premises. They can provide general security and assist with human resources functions when integrated with access control.
RAB Lighting’s STL360 Super Stealth Sensor 360 luminaire has three LEDs that continuously scan back and forth and can be controlled by motion sensors. The sensors can be time-adjusted from... READ MORE
Schneider Electric’s StruxureOn is designed to help data center managers monitor critical equipment through live sensor data. It provides data-driven analytics, sends alarm signals directly to a smartphone and offers... READ MORE
Eaton’s Invue Arbor post top is designed for pedestrian applications. It has a two-piece, IP-66-rated housing cast from corrosion-resistant aluminum. Its efficacy measures up to 100 lumens per watt for... READ MORE
Salto Systems’ XS4 Geo electronic, smart deadbolt cylinder has a trim ring with sleeves that protects the lock from vertical attacks and attacks through the door. Three models are available:... READ MORE
ConTech Lighting’s R4SQ 4-in., square downlight is available in four color temperatures. The mounting frame allows for a ¼-in. adjustment in all directions and a 5-degree rotation. The light engine... READ MORE
Farpointe Data’s Ranger WRR-44 high-frequency, long-range reader with WRT-4+ four-button transmitter has a read range up to 200 ft. and uses the 433-Mhz frequency. It interfaces with a wide range... READ MORE