I have a new PIR floodlight which is pre wired (live (brown), neutral (blue) and earth (green/yellow)) and I want to use the existing cable which is an old colour 3-core (red, blue, yellow and bare).
The old light was before my time at the property and has not worked and I'm not sure of the cable trace. It may end in a switch somewhere.
Can I wire the new light up using the existing cable and if so how?
Thanks