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There were 32 positions for possible hole locations, giving approximately 4.3 billion different keys. The key could easily be changed for each new guest by inserting a new key template in the lock that matched the new key. [2] In the early 1980s, the key card lock was electrified with LEDs that detected the holes. A keycard with a magnetic stripe
A proximity card or prox card [1] also known as a key card or keycard is a contactless smart card which can be read without inserting it into a reader device, as required by earlier magnetic stripe cards such as credit cards and contact type smart cards. [2] The proximity cards are part of the contactless card technologies.
Physical security systems for protected facilities can be intended to: [2] [3] [4] deter potential intruders (e.g. warning signs, security lighting); detect intrusions, and identify, monitor and record intruders (e.g. security alarms, access control and CCTV systems);
Authorities are searching for a man who drove through the gate of a nuclear power plant in Oconee County, South Carolina, and allegedly attempted to hit security officers at the facility on ...
Metcalf sniper attack CCTV footage (Attacks begin at around 1:54) Location Coyote, California, U.S. Date April 16, 2013 (2013-04-16) 12:58 – 1:50 a.m. (PDT) Target PG&E Metcalf substation Attack type Sabotage Weapons 7.62×39mm rifles On April 16, 2013, an attack was carried out on Pacific Gas and Electric Company's Metcalf transmission substation in Coyote, California, near the border of ...
Cooling tower Nuclear power plant. Power plant engineering, abbreviated as TPTL, is a branch of the field of energy engineering, and is defined as the engineering and technology required for the production of an electric power station. [1] Technique is focused on power generation for industry and community, not just for household electricity ...
The power system reliability (sometimes grid reliability) is the probability of a normal operation of the electrical grid at a given time. Reliability indices characterize the ability of the electrical system to supply customers with electricity as needed [ 1 ] by measuring the frequency, duration, and scale of supply interruptions. [ 2 ]
The Hugh L. Spurlock Generating Station is a 1.3-gigawatt (1,346 MW) coal power plant owned and operated by the East Kentucky Power Cooperative (EKPC) located west of Maysville, Kentucky. The plant began operations in 1977.