Bathroom light + extractor fan wiring

I'm back with more "finishing basement" questions. This weekend, I wired my bathroom. This is 20 amp service with 12 ga wire. For the bath fan/light, the power source came into the switch box (1 box, 2 switches) on a 12/2 wire. From there, power goes up to the light/fan on a 12/3 wire. Red goes...

Hi I want to replace a timer extractor fan with one that switches on and off with light pull. Having taken off the old one I have been left with 3 core and earth cable and extra insulated extra core cable. The new fan however only needs a neutral and live connection. I connected together...

Hi, Ok here's what I have... I'm trying to replace a light, now the wires that are under the light are: 3 x red 3 x black 1 x earth

I have a Nutone combination Fan/Light in my bathroom. Out of the blue, the light does not work but the fan still works. There is a separate switch for the fan and another for the light. I checked the bulb and it is OK. I checked the switch and it seems to work. I detected voltage on the hot...

Hello I'm about to replace an old timer bathroom extractor fan with a modern one. The old one is fed by a three core and earth cable, the third (yellow) core presumably being the connection to the pull cord switch. I haven't yet been into the loft to check exactly how the wiring was installed. ...