Electronics How-To: Relays the Basics a Contractor Needs to Know

Cool video from the Geek Group on relays! Based in Grand Rapids, Michigan, The Geek Group provides access to science, technology, engineering and math by developing programming and facilities for individuals and institutions to learn, explore, innovate and play at an independent pace according to their needs. The Geek Group has many thousands of members scattered across the globe, in every state in the US and one hundred and forty-two countries. Come help us build Awesome! Thanks Chris, well done.