I HAVE AN OLD 2 WAY SWITCH WHICH CONTROL THE HALL AND LANDING LIGHTS .
3 CABLES RUN INTO BOTH SWITCHES
2 WHITE COLOURED RED BLUE YELLOW +EARTH
THE YELLOW AND BLUE CARRY A RED SLEEVE
A GREY CABLE IS COLOURED BLACK RED AND EARTH THE BLACK CARRIES A RED SLEEVE
I WOULD LIKE TO CHANGE THIS...