Non-rewireable fuse-links (formerly Type A) for use in plugs and socket-outlet adaptors to BS 546 for two-wire a.c. or d.c. circuits up to 250 volts. Current ratings, performance, dimensions, marking, type tests (including the testing enclosure for duty tests).Cross References:BS 88BS 481BS 546BS 1362BS 1363BS 714BS 1361BS 1454BS 2510 BS 2692BS 2950BS 3036The requirements for type B fuse-links have been replaced by BS 2950:1958.Incorporates the following:AMD 6693 published 31 January 1991