wiring fault

hello. Straight to the point... I have changed some spot lights in a room and when I went into the loft I was met with a transformer that was wired a bit special... see below photo... The white cable above the earths is from the room prior, the middle is for the pull switch in the room I’m...

So I am at my grandparents in Maidstone installing a Wireless Pyronix alarm in their bungalow. To run power to the panel, I take a 1mm² T&E from a junction box in the loft (what is on one of the lighting circuits) to the FCU and then to the Pyronix panel. First check for power at the panel and...

My power shower has stopped working. The main switch is stuck and was very hot and smelt. I've opened it up and the wire ends have melted. I don't know if I can trim the wires back and replace the switch or if I need a electrician to change the wiring. I've included a picture.

I am in the process of renovating a house and I have come across an issue with the socket circuit in the house whereby the RCD keeps tripping whenever an appliance is plugged into a socket. When appliances are removed the RCD can be reset however it's not as simple as the appliance causing the...