General requirements and tests for heated sinks intended for rinsing and sterilizing purposes in catering establishments, for operation on single phase or polyphase supplies where the voltage to earth does not exceed 250 V a.c. or d.c.Cross References:BS 729*BS 1224*BS 1344*BS 1358*BS 1484*BS 1872*BS 2135*BS 2660*BS 3042*BS 3535*BS 3831*BS 4410*BS 6500 *Factories Act, 1961*IEE Regulations for the Electrical Equipment of Buildings 1966*