BS 546:1950
BSI · 1950-03-16

Specification - Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors

Replaced ICS 29.120.30 Cited by 5

1Key Takeaways

Three-pin plugs and sockets of the round-pin type, as used in domestic premises, offices, etc., for standard ratings of 2,5, 15 and 30 amperes. Interchangeability, safety, materials, construction, dimensions. Supplement No. 2 (AMD 5809) gives additional requirements for switched socket-outlets, for use in a.c. circuits…

2Scope / Description

Three-pin plugs and sockets of the round-pin type, as used in domestic premises, offices, etc., for standard ratings of 2,5, 15 and 30 amperes. Interchangeability, safety, materials, construction, dimensions. Supplement No. 2 (AMD 5809) gives additional requirements for switched socket-outlets, for use in a.c. circuits only.

3Version History

BS 317:1928 older 1928-01-01
BS 546:1934 older 1942-05-01
BS 546:1950 1950-03-16
BS 546:2025 newer 2025-06-27

6Frequently Asked Questions

What is BS 546:1950?
BS 546:1950 — Specification - Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors is an international standard developed by British Standards Institution (BSI). Three-pin plugs and sockets of the round-pin type, as used in domestic premises, offices, etc., for standard ratings of 2,5, 15 and 30 amperes. Interchangeability, safety, materials, construction, dimensions. Supplement No. 2 (AMD 5809) gives...
What does BS 546:1950 cover?
This standard covers: Three-pin plugs and sockets of the round-pin type, as used in domestic premises, offices, etc., for standard ratings of 2,5, 15 and 30 amperes. Interchangeability, safety, materials, construction, dimensions. Supplement No. 2 (AMD 5809) gives additional requirements for switched socket-outlets, for...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of BS 546:1950?
The current published version is BS 546:1950, published on 1950-03-16. Always check for amendments or pending revisions.
How do I purchase BS 546:1950?
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