Thank you Bernard, very much appreciated. The one black wire with the brown sleeve. Which terminal would that go to in the new switch, L1 L2 or C please ?
Hi - I'm probably being dumb but I'm struggling to replace a 2 gang switch that controls my hall and my front porch light. The hall light can also be switched on/off at the other end of the hall whereas the porch is just got the one switch.
Coming out of the wall is one black cable with a...