If the plug is for a mains-powered appliance, it should be wired in brown, blue and yellow/green but if it is extra low voltage the colours may differ
Answered by Dave, Electrical Safety Expert
If the plug is for a mains-powered appliance, it should be wired in brown, blue and yellow/green but if it is extra low voltage the colours may differ.
If you have doubts as to whether your plug is safe to use, check with the manufacturer.