BS 4167-5:1969

General requirements for steaming ovens having safe working pressures of less than 3.5 kN/m^2 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 2512*BS 2660*BS 3042*BS 3535*BS 3831*BS 4410 *BS 6500*Factories Act, 1961*IEE Regulations for the Electrical Equipment of Buildings 1966*