This British Standard specifies dimensions and performance requirements for general purpose cartridge fuse links of current ratings not exceeding 13 A for domestic and similar purposes (primarily for use in plugs complying with the requirements of BS 1363) on declared supply voltages not exceeding 250 V (see 4.5) at a nominal frequency of 50 Hz or 60 Hz.

It does not cover fuse bases or fuse holders for use with these fuse links.

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The object of this specification is to standardize the characteristics, construction, tests and markings of fuse links coming within its scope. In particular to standardize: