Specifies the requirements and tests for single-pole fuses sectioning or sub-fusing for use on single phase or one phase of a three phase public electricity 440 V a.c. (max) supply system at 50 Hz with the neutral effectively earthed. To be read in conjunction with BS EN 60947-1Cross References:BS 88:Part 1BS 88:Part 5BS 771:Part 1 BS 771:Part 2BS 923:Part 1BS 1322BS 3456:Part 201BS 3643BS 5486:Part 1BS 5734 BS 5901BS 6001BS 6334BS 6346BS 6360BS EN 60529BS EN 60947-1BS 4727:Part 2:Group 06