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This is a trapped-key interlock on the door of an electrical switchgear cabinet. It is attached with one-way security screws to discourage casual removal, which would defeat the interlock scheme. Trapped-key interlocking utilizes locks and keys for sequential control of equipment and machinery to ensure safe operation. Trapped-key interlocks ...
Trapped key interlock switchgear door. An interlock is a feature that makes the state of two mechanisms or functions mutually dependent. It may consist of any electrical or mechanical devices, or systems. In most applications, an interlock is used to help prevent any damage to the machine or to the operator handling the machine.
Early generator interlock kits consisted of two sliding steel or plastic (depending on the brand) plates held together by three bolts and installed on the front cover of the home's breaker panel, however, some models made by Eaton (formerly Cutler-Hammer) and Siemens for panels manufactured by them install on the adjacent circuit breakers themselves and consist of a sliding arm for breakers ...
The suspect in the killing of a New York CEO took a strange path, from valedictorian to McDonald's customer with a 3-D printed weapon.
Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing
The U.S. fiscal health is at higher risk after the election of Republican Donald Trump as the next U.S. president and given the likely composition of Congress, said rating agency Moody's. U.S ...
Left hand hinge (LHH): Standing outside (or on the less secure side, or on the public side of the door), the hinges are on the left and the door opens in (away from you). Right hand hinge (RHH): Standing outside (or on the less secure side), the hinges are on the right and the door opens in (away from you). Left hand reverse (LHR): Standing ...
Taylor Swift just wrapped up her second-to-last stop on the Eras Tour in Toronto and had an emotional moment as she took a minute to thank her fans.