Written by If your plug hase the new cable colours Click Here
Some old appliances may have the old Black, Red and Green cable colours in the flex. As these colours have not been used since 1971 the flex is likely to be very old and you should consider replacing the flex (especially if it is a rubber type flex).These old cable colours should be connected thus:
The Black wire connects to the terminal marked N or Neutral.
The Red wire connects to the terminal marked L or Live.
The Green wire connects to the terminal marked E or Earth.
Older appliances are likely to be Class I (with an earth wire), however if they are Class II (or double insulated), there is no connection to the Earth terminal.
