metering relay
11Motor controller — A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.[1] A motor controller might include a manual or automatic means for starting and stopping the motor,… …
12Schweitzer Engineering Laboratories — Infobox Company name = Schweitzer Engineering Laboratories type = Private foundation = Pullman, Washington, U.S.(1982) founder = Edmund O. Schweitzer III location city = Pullman, Washington location country = U.S. industry = Electric Power slogan …
132010 Winter Olympics — 2010 Olympics redirects here. For the Youth Olympics, see 2010 Summer Youth Olympics. Vancouver 2010 redirects here. For the video game, see Vancouver 2010 (video game). For the Winter Games for athletes with a physical disability, see 2010… …
14Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
15Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …
16Fuel pump — should not be confused with fuel dispenser, a device that dispenses fuel into an automobile. A high pressure fuel pump on a Yanmar 2GM20 marine diesel engine. A fuel pump is a frequently (but not always) essential component on a car or other… …
17Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
18Mesh networking — For other meanings of the word mesh, see Mesh (disambiguation). Illustration of a mesh network Mesh networking (topology) is a type of networking where each node must not only capture and disseminate its own data, but also serve as a relay for… …
19Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …
20Northeast Blackout of 1965 — The Northeast Blackout of 1965 was a significant disruption in the supply of electricity on November 9, 1965, affecting Ontario, Canada and Connecticut, Massachusetts, New Hampshire, Rhode Island, Vermont, New York, and New Jersey in the United… …
