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  2. Trapped-key interlocking - Wikipedia

    en.wikipedia.org/wiki/Trapped-key_interlocking

    The key can then be used to unlock the kiln door. While the key is removed from the switch interlock, a plunger from the interlock mechanically prevents the power switch from being turned on. Power cannot be re-applied to the kiln until the kiln door is locked, releasing the key, and the key is then returned to the power switch interlock. [5]

  3. Key code - Wikipedia

    en.wikipedia.org/wiki/Key_code

    The bitting code is used in conjunction with a key's Depth and Spacing Number to completely determine all relevant information regarding the key's geometry. [1] Each number in the bitting code corresponds to a cut on the key blade. For example, a bitting code of 11111 with Depth and Spacing Number 46 specifies a Kwikset key with five shallow cuts.

  4. Physical security - Wikipedia

    en.wikipedia.org/wiki/Physical_security

    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);

  5. Energy security - Wikipedia

    en.wikipedia.org/wiki/Energy_security

    The impact of the 1973 oil crisis and the emergence of the OPEC cartel was a particular milestone that prompted some countries to increase their energy security. Japan, almost totally dependent on imported oil, steadily introduced the use of natural gas, nuclear power, high-speed mass transit systems, and implemented energy conservation measures. [16]

  6. Vulnerability of nuclear facilities to attack - Wikipedia

    en.wikipedia.org/wiki/Vulnerability_of_nuclear...

    However, government plans for remote siting of nuclear plants in rural areas, and the transmission of electricity by high-voltage direct current lines to industrial regions would enhance safety and security. On the other hand, nuclear plant security would be at elevated risk during a natural or man-made electromagnetic pulse event, and the ...

  7. Power system protection - Wikipedia

    en.wikipedia.org/wiki/Power_system_protection

    Power system protection is a branch of electrical power engineering that deals with the protection of electrical power systems from faults [citation needed] through the disconnection of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the power system stable by isolating only the components ...

  8. Power system reliability - Wikipedia

    en.wikipedia.org/wiki/Power_system_reliability

    power system security (also called operational reliability [3]), an ability of the system to withstand real-time contingencies (adverse events, e.g., an unexpected loss of generation capacity). [4] Ability of the system to limit the scale and duration of a power interruption is called resiliency. The same term is also used to describe the ...

  9. Power plant engineering - Wikipedia

    en.wikipedia.org/wiki/Power_plant_engineering

    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 ...