BS 1363 variations AC power plugs and sockets: British and related types

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variant pin configurations

several manufacturers have made deliberately incompatible variants use connection standard plugs not acceptable. common uses include filtered supplies computer equipment , cleaners supplies in public buildings , areas (to prevent visitors plugging in unauthorised equipment). examples 1 design made mk has t-shaped earth pin, , walsall gauge 13 a plug, has each pin rotated 90°, latter being in use on parts of london underground 110 v ac supply. , in british rail offices filtered computer supplies.



variant plugs

























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