Specification for protected-type non-reversible plugs, socket-outlets, cable-couplers and appliance-couplers, with earthing contacts for single phase alternating current circuits up to 250 volts
Ratings. 5, 15, 30 A includes single and double-pole fused plugs for ring main circuits. Dimensions for interchangeability, construction, tests, gauge details and dimensions. Non-reversible feature essential. Appendix on: complete system of key and keyway positions for non-interchangeability between different supply systems, applications. Identical with BS 196:1961.