Thanks very much for the invaluable information. I will be at my son's house later today and will connect up a pendant fitting to check the connections. If all is fine I will mark up the switch live cable. Once again thanks very much.
My son has just purchased a new property and has attempted to change the light fitting in the main bedroom. He did not write down the wiring set up when removing the old light fitting and is now left with 3 black cables. So, having looked at the situation I found that two of the black wires are join...
