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  2. Three-prong adaptor - Wikipedia

    en.wikipedia.org/wiki/Three-prong_adaptor

    [1]: 112 They are needed to allow appliances with 3-wire power cords to plug into legacy ungrounded (two slot) receptacles found in older buildings. The use of such an adapter avoids the need to replace receptacles, but is potentially hazardous if the grounding tab is not connected to electrical ground.

  3. Vandal-resistant switch - Wikipedia

    en.wikipedia.org/wiki/Vandal-resistant_switch

    Tamper-resistant switches (or tamper-proof switches) are types of vandal-resistant switches which are not intended to be operated except by authorized users. They may control special functions, such as auditing of voting machines , operation of power tools or equipment, enabling of security alarm systems (e.g., arming and disarming), or ...

  4. Industrial and multiphase power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/Industrial_and_multiphase...

    The normal technical term (in both British and International English) for an AC power socket is socket-outlet, [4] but in non-technical common use a number of other terms are used. In British English the general term is socket, but there are numerous common alternatives, including power point, [5] plug socket, [6] wall socket, [7] and wall plug ...

  5. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    The heavy case is secured with tamper-resistant bolts to deter unauthorized opening of the case. The International Electrotechnical Commission publishes the 60079 series of standards [ 2 ] which defines a system for classification of locations, as well as categorizing and testing of equipment designed for use in hazardous locations, known as ...

  6. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    "Switched socket-outlets and connectors with or without interlock" applies to self-contained products that combine within a single enclosure, a socket-outlet or connector according to IEC 60309-1 or IEC 60309-2 and a switching device, with a rated operating voltage not exceeding 1000 VDC or VAC and 500 Hz, and a rated current not exceeding 800 A.

  7. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    The 20 A plug has a blade rotated 90° (opposite blade from what would be the "line" blade on a 2-15 or 5-15 plug. This prevents accidental insertion of plugs into outlets that use different voltages), and the 6-20R receptacle has a T-shaped hole to accept both 6-15P and 6-20P plugs (similar to the 5-20R receptacle accepting 5-15P and 5-20P plugs).

  8. Texas Woman Allegedly Killed Her Husband, Set His Truck on ...

    www.aol.com/texas-woman-allegedly-killed-her...

    A Texas woman is charged with murder after police say she fatally shot her husband, lit his truck on fire and fled the scene in a kayak. Bexar County, Texas officials found the body of Tomas ...

  9. Tamperproofing - Wikipedia

    en.wikipedia.org/wiki/Tamperproofing

    Tamperproofing is a methodology used to hinder, deter or detect unauthorised access to a device or circumvention of a security system. Since any device or system can be foiled by a person with sufficient knowledge, equipment, and time, the term "tamperproof" is a misnomer unless some limitations on the tampering party's resources is explicit or assumed.

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