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  2. 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.

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

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

    The following other wikis use this file: Usage on af.wikipedia.org Muurprop; Elektrisiteitsvoorsiening; Usage on arz.wikipedia.org فيشة الكهربه حسب البلد

  4. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    World Plugs includes some history, a description of plug types, and a list of countries giving the type(s) used and the mains voltage and frequency. Although useful for quick reference, especially for travellers, IEC World Plugs may not be regarded as totally accurate, as illustrated by the examples in the plugs section below, and errors may exist.

  5. AC power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/AC_power_plugs_and_sockets

    Plug (sheet V) and socket (sheet VI) to French standard NF C 61-315 (400 V, 32 A) The plugs and sockets used to power electric stoves from a single-phase line have to be rated for greater current values than those used with three-phase supply because all the power has to be transferred through two contacts, not three. If not hardwired to the ...

  6. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    Usually the voltage of 230 V ±3% is maintained. Some areas of the UK still have 250 volts for legacy reasons [citation needed], but these also fall within the 10% tolerance band of 230 volts. In practice, this allowed countries to have supplied the same voltage (220 or 240 V), at least until existing supply transformers are replaced.

  7. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    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). The 50 A (and 5-50) receptacles look like bigger versions of the 5-15 A. 6-15R and 6-20R receptacles are ...

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  9. Industrial and multiphase power plugs and sockets - Wikipedia

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

    The term plug is in general and technical use in all forms of English, common alternatives being power plug, [1] electric plug, [2] and (in the UK) plug top. [3] 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.