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An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories , apartments , and hotels .
Security lighting to prevent intrusions may be counter-productive. Turning off lights halved the number of thefts and burglary in Övertorneå Sweden. [2] [3] A test in West Sussex UK showed that adding all-night lighting in some areas made people there feel safer, although crime rates increased 55% in those areas compared to control areas and to the county as a whole.
A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack) by facilitating the safe usage and a long life of the battery in practical scenarios while monitoring and estimating its various states (such as state of health and state of charge), [1] calculating secondary data, reporting that data, controlling its environment ...
A full BMS might include active balancing as well as temperature monitoring, charging, and other features to maximize the life of a battery pack. [4] Battery balancing can be performed by DC-DC converters, in one of three topologies: Cell-to-battery; Battery-to-cell; Bidirectional; Typically, the power handled by each DC-DC converter is a few ...
Johnson Controls International plc is an American, Irish-domiciled multinational conglomerate headquartered in Cork, Ireland, [3] that produces fire, HVAC, and security equipment for buildings. As of mid-2019, it employed 105,000 people in around 2,000 locations across six continents. [4] In 2017 it was listed as 389th in the Fortune Global 500 ...
Jay-Z, the star rapper and entrepreneur whose real name is Shawn Carter, was accused in a lawsuit Sunday of raping a 13-year-old girl in 2000 allegedly along with Sean “Diddy” Combs.
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