Square D is an American manufacturer of equipment used to control and distribute electric power. Lightning strikes during a night-time thunderstorm. ...
First formed in 1903 as the McBride Manufacturing Company, they subsequently changed their name to the Detroit Fuse and Manufacturing Company with their logo being a "D" (for Detroit) enclosed in a square. In 1991, they were purchased by the French company Schneider Electric and they continue to sell into the commercial, industrial, and residential markets. Schneider Electric is a large, worldwide company of French Origin. ...
Introduced in 1955, their "QO" line of 3/4-inch circuit breakers may be their best-known product line, used in many homes in North America. A circuit breaker is an automatically-operated electrical switch which is designed to protect an electrical circuit from damage caused by overload or short circuit. ...
A Milwaukee-based company that specializes in industrial control and automation products. ... Rockwell Automation (NYSE: ROK) is a leading industrial automation company focused to be the most valued global provider of power, control and information solutions. ... Cutler-Hammer is a company. ... Eaton Corporation (NYSE: ETN), a Fortune 500 company based in Cleveland, Ohio, USA, is a global diversified industrial manufacturer with 2002 sales of $7. ... The General Electric Company, or GE (NYSE: GE) is a multinational technology and services company. ... Siemens AG (FWB:SIE, NYSE: SI) is the worlds largest electronics company. ...