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  2. Electrical enclosure - Wikipedia

    en.wikipedia.org/wiki/Electrical_enclosure

    Electro polished enclosure (control station), explosion-proof A municipal electrical enclosure Allen Bradley programmable logic controller (PLC) installed in an electrical enclosure An electrical enclosure is a cabinet for electrical or electronic equipment to mount switches , knobs and displays and to prevent electrical shock to equipment ...

  3. Damp proofing - Wikipedia

    en.wikipedia.org/wiki/Damp_proofing

    A metal damp proof course (DPC) between the stone foundation and brick wall. Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces. Dampness problems are among the most frequent problems encountered in residences.

  4. Crestron Electronics - Wikipedia

    en.wikipedia.org/wiki/Crestron_Electronics

    Crestron Electronics (or simply Crestron) is an American privately held multinational corporation that manufactures and distributes control automation and integration technology. The company designs, manufactures, and distributes equipment used to control technology in commercial audiovisual environments such as meeting spaces, conference rooms ...

  5. Fire door - Wikipedia

    en.wikipedia.org/wiki/Fire_door

    Fire doors are made from a range of different materials such as timber or steel. Despite not being fire resistant, timber is used as it has a very predictable char rate, depending on the density and the moisture content timber generally has a char rate of 0.5mm per minute for hardwood and 0.7mm per minute for softwood. [5]

  6. Automatic door - Wikipedia

    en.wikipedia.org/wiki/Automatic_door

    The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s. [6] [7] In 1980, the first automatic door using an infrared sensor was ...

  7. Electromagnetic door holder - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_door_holder

    A simple electromagnetic door holder consists of a strong electromagnet, usually attached to a wall or mounted in a floor pedestal enclosure, next to the door it controls. The mechanism may be mounted near the floor, at the upper corner of the open door, or at any convenient height along the latch edge (away from the hinged edge).

  8. Door security - Wikipedia

    en.wikipedia.org/wiki/Door_security

    A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions. Door ...

  9. Electromagnetic lock - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_lock

    Since electromagnetic locks do not interact with levers or door knobs on a door, typically a separate release button that cuts the lock power supply is mounted near the door. This button usually has a timer that, once the button is pressed, keeps the lock unlocked for either 15 or 30 seconds in accordance with NFPA fire codes.

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