mains isolation

Hi The main Stopcock is a bit dodgy so I'm going to get a plumber to change, I was thinking of then getting him to fit an isolator just after this so that if ever I need to turn the water off I can just turn a lever as opposed to winding the stopcock as I would feel more relaxed knowing we had a...

Looking to box in this ugly arrangement on my landing wall upstairs, above two bedroom doors. If I box it in how it is now I will have trouble accessing the consumer unit. I want to move the components highlighted in the red square next to my consumer unit to make boxing in an easier job. Has...

Just teared down a cheap USB power supply from a USB hub, and to no surprise :rolleyes: the isolation between the mains primary side and the SELV secondary side was suspicious at best. Not only did my non contact voltage detection stick react to what should have been the separated isolated 5V...