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BS 546, Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors for AC (50–60 Hz) circuits up to 250 V is an older British Standard for three-pin AC power plugs and sockets. Originally published in April 1934, it was updated by a 1950 edition which is still current, [ 1 ] with eight amendments up to 1999.
Socket-outlet, auto switched by plug insertion. Automatically switched socket-outlets such as these may be used to supply power to refrigerators, some computers and other accessories that normally should not be switched off. The absence of a user operable switch prevents the accidental switching off of such devices Surface socket-outlet and plug.
The Swiss standard, also used in Liechtenstein and Rwanda [53] (and in other countries alongside other standards) is SN 441011 (until 2019 SN SEV 1011) Plugs and socket-outlets for household and similar purposes. [54] The standard defines a hierarchical system of plugs and sockets with two, three and five pins, and 10 A or 16 A ratings.
IEC 60906-1-plug. IEC 60906-1 (IEC designation "Type N") [1] is an international standard designed "to provide a standard for a safe, compact and practical 16 A 250 V AC system of plugs and socket-outlets that could be accepted by many countries as their national standard, even if not in the near future."
Plugs with uninsulated pins were prohibited for import and production after December 31, 2012, and for sale after December 31, 2016. Measure 1 alone ensures electrical safety in new installations, but it does not improve the safety of existing installations. However, electrical outlets often remain in place for decades.
"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.
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SANS 164-5: Two-pole, non-rewireable plugs, 2,5 A 250 V AC, with cord, for connection of class II equipment [26] [27] These plugs are identical to the CEE7/16 Alternative II Europlug. Only plugs are defined; they are to be used with SANS 164-2 or 164-6 sockets. [4] This standard was first codified in South Africa by the SABS in 2006. [22]