Search results
Results from the WOW.Com Content Network
An earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations to prevent shock. It consists of either a current sensing mechanism, or a voltage sensing mechanism. Such a protection mechanism may be found in the form of distribution board modules, standalone devices, and special sockets (aka receptacles ).
Arc-Fault Circuit Interrupter (AFCI) protection is required to protect nearly all finished areas of a home with the exception of bathrooms. This device, which can be a circuit breaker or the first outlet on a circuit, is designed to detect hazardous electrical arcing in the branch circuit wiring as well as in cords and plugs.
Clairemont (or Clairemont Mesa) is a community in San Diego, California, United States. It has a population of about 81,600 residents and an area of roughly 13.3 square miles (34 km 2 ). Clairemont is bordered by Interstate 805 on the east, Interstate 5 to the west, State Route 52 to the north, and the community of Linda Vista to the south.
By 1929, Square D merged with a Milwaukee-based industrial controller company and began producing Westinghouse-licensed circuit breakers. In 1935 Square D began producing its own range of circuit breakers for both commercial and residential uses. [3] In 1991, the company was acquired and became a subsidiary of Schneider Electric. [4]
Vacuum circuit-breakers can be qualified as a generator circuit-breakers (GCB) according to IEC/IEEE 62271-37-013. Compared to circuit-breakers using other quenching media (such as SF6, air-blast or minimum oil), vacuum circuit-breakers have the advantages of:
A veteran San Diego police officer was killed and a second officer was seriously injured Monday night when their vehicle was involved in a crash while responding to a high-speed pursuit that also ...
The first high-voltage SF 6 circuit breaker with a high short-circuit current capability was produced by Westinghouse in 1959. This circuit breaker in a grounded tank (called a dead tank), could interrupt 41.8 kA under 138 kV (10,000 MV·A) and 37.6 kA under 230 kV (15,000 MV·A).
A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interrupt current flow to protect equipment and to prevent fire.