power-operated switch
121Interlocking — In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signaling appliances and tracks are sometimes collectively… …
122Automotive lighting — Blinker redirects here. For other uses, see Blinker (disambiguation). Not to be confused with Magneti Marelli company AL Automotive Lighting. For lights in seafaring and aviation, see navigation light. The lighting system of a motor vehicle… …
123Electricity on Shabbat in Jewish law — Jews who observe the Shabbat (Sabbath) have the practice of refraining from turning electricity on or off during Shabbat. In most cases they also abstain from making adjustments to the intensity of an electrical appliance as well. Authorities of… …
124electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… …
125Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
126Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …
127Oldsmobile 88 — Oldsmobile Eighty Eight Manufacturer General Motors Production 1949–1999 Class Full siz …
128Fairchild Republic A-10 Thunderbolt II — A 10 redirects here. For other uses, see A10. A 10 Thunderbolt II An A 10 from the 81st Fighter Squadron, Spangdahlem Air …
