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  2. Electrical equipment in hazardous areas - Wikipedia

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

    Unlike ATEX which uses numbers to define the safety "Category" of equipment (namely 1, 2, and 3), the IEC continued to utilise the method used for defining the safe levels of intrinsic safety namely "a" for zone 0, "b" for zone 1 and "c" for zone 2 and apply this Equipment Level of Protection to all equipment for use in hazardous areas since ...

  3. Intrinsic safety - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_safety

    Intrinsic safety (IS) is a protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy, electrical and thermal, available for ignition. In signal and control circuits that can operate with low currents and voltages, the intrinsic safety approach simplifies circuits and reduces installation cost over ...

  4. File:World map of electrical mains power plug types used.svg

    en.wikipedia.org/wiki/File:World_map_of...

    Corrected image size. 19:03, 20 June 2020: 5,104 × 3,082 (1.44 MB) JGrimm: Brazil adopted the "NBR 14136" standard, based on IEC 60906-1. South Africa implemented the "SANS 164-5" that also relies on 60906-1, although types D and M are still supported. Both countries are almost a decade with full enforcement of the new standards.

  5. Category:Electrical safety - Wikipedia

    en.wikipedia.org/wiki/Category:Electrical_safety

    Electric power transmission; Electrical injury; Electrical bonding; Electrical burn; Electrical code; Electrical equipment in hazardous areas; Electrical Safety Foundation; Electrically conducting yarn; Electrostatic discharge; EN 62262; ENEC Mark; Energy and Utility Skills; ESD turnstile; Extra-low voltage

  6. Appliance classes - Wikipedia

    en.wikipedia.org/wiki/Appliance_classes

    However, equipment of this class is common in some 120 V countries, and in much of the 230 V developing world, whether permitted officially or not. These appliances do not have their chassis connected to electrical earth. In many countries the plug of a class 0 equipment is such that it cannot be inserted to grounded outlet like Schuko. The ...

  7. ATEX directives - Wikipedia

    en.wikipedia.org/wiki/ATEX_directives

    The aim of Directive 2014/34/EU is to allow the free trade of ‘ATEX’ equipment and protective systems within the EU by removing the need for separate testing and documentation for each member state. The regulations apply to all equipment intended for use in explosive atmospheres, whether electrical or mechanical, including protective systems.

  8. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices.

  9. File:World Map of Mains Voltages and Frequencies, Detailed.svg

    en.wikipedia.org/wiki/File:World_Map_of_Mains...

    This map reflects the nominal voltage of residential buildings of most countries. In the USA and Canada, there are 2 nominal voltages: 120V and 240V concurrently. This is not a 3 phase system and 240V is not a phase-phase voltage. This system is unique and is only used in certain parts of the world. 230/380V in Europe does not use a similar system.