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I discuss more about SPST, SPDT and SPNO-SPNC relays. Attention: Do not try any of what you see in this video at home. It takes at least two years of HVACR schooling to become qualified to learn in the field how to work on heating and air conditioning equipment. Then it takes another three years of apprenticeship training to become competent enough to safely work on heating and air conditioning equipment. To donate cryptic currency: peercoin: PFCmau4Dx2qm4Ymwog3WFKKMkP7oXJHEjd
Power Transmission Engineer Lionel Barthold Explains how 3 phase, 6 phase, and 12 phase power works, advantages, disavantages, and hopes for the future. Rotating phases, form an anisotropic tube. He worked on experimental 6 and 12 phase power lines at his company Power Technologies, Inc. before it was sold to Siemens after a long successful career. The experimental polyphase lines were located in Malta, New York, not far from company headquarters in Schenectady.
http://PrecisionDoor.net provides a detailed instructional on how to properly lubricate a garage door. Invest the 7 minutes to watch the video and we promise you'll be lubricating your garage door like a pro.
Tim Smith from Hudson Valley Community Colleges details the entire process troubleshooting a valve leak on a heat pump using the DOTS HVAC Troubleshooting Simulator. UPDATE This is our old training simulation, we've released something even bigger and better. Check out our new 3D simulation HVAC training at interplaylearning.com and you can sign up for a free trial.
http://www.ted.com Researcher Kamal Meattle shows how an arrangement of three common houseplants, used in specific spots in a home or office building, can result in measurably cleaner indoor air. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, Bill Gates on malaria and mosquitoes and "Lost" producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Watch the Top 10 TEDTalks on TED.com, at http://www.ted.com/index.php/talks/top10
Which electrical loads are running? Is the indoor fan running? What about the outdoor fan? Our HVAC expert Tim Smith walks through how to troubleshoot a Residential AC Faulty Indoor Fan Relay.