Correctly wiring your Crabtree Three-pin plug in 1962

The old colour coding for electrical wiring in Britain, decades before the standard colours in fixed wiring were harmonized in 2004, with the regulations in other European countries and the international IEC 60446 standard.

 

Pre-1977 IEE old British phase colours

Protective earth (PE): Green

Neutral (N): Black

Single phase: Line (L): Red

Three phase: L1 Red

Three phase: L2 Yellow

Three phase: L3 Blue

 

IEE Pre-2004

Protective earth (PE): Green/yellow bi-colour

Neutral (N): Black

Single phase: Line (L): Red

Three phase: L1 Red

Three phase: L2 Yellow

Three phase: L3 Blue

 

Current IEC

Protective earth (PE): Green/yellow bi-colour

Neutral (N): Blue

Single phase: Line (L): Brown

Three phase: L1 Brown

Three phase: L2 Black

Three phase: L3 Grey

 

Done