As a supplement to the Back to Basics: Power article, I created this cheat sheet to stow away for a rainy day. Next time you need to remember how to calculate wattage, or need to look up a foreign power connector, this will be a handy tool.
About John W Kerns
John Kerns is a network and automation engineer for a VAR based in Southern California and has been in the industry for about 10 years. He maintains a few open-source projects on GitHub (https://github.com/PackeTsar/), blogs on PacketPushers, and hosted the Infotrek podcast (http://www.infotrekpodcast.com/)