ROSSLYN, Va., May 20, 2010—The National Electrical Manufacturers Association (NEMA) and the members of its Steel Conduit and Electrical Metallic Tubing Section (5RN) today announced their strong support of Underwriters Laboratories (UL) public notice of recent action taken against suppliers of substandard electrical metallic tubing (EMT).
With thousands of large wind turbines being constructed in the U.S. every year, a need for a guideline for permitting these structures has been identified. To assist in the development of this guideline, the American Wind Energy Association (AWEA) is developing a document to help developers, contractors and inspections professionals understand what is necessary for [...]
Air conditioning is a twentieth century phenomenon. The Romans had aqueducts. The British discovered electricity. The Americans had an engineer whose invention to control temperature and humidity changed the world forever — welcome to the air conditioner. As we rush through the routines of our daily lives, it’s amazing how quickly the seasons change; winter [...]
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