British Standards Document
BS 546
Specification. Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors
https://doi.org/10.3403/01713890U
BS 546 is maintained by PEL/23. The current release of this standard is:
BS 546:1950 Specification. Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors
https://doi.org/10.3403/01713890 (published 16/03/1950)
This standard is available from the following sources:
Other historical versions of this standard document also exist: