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We have a dual 13A socket on the ring main on the bedroom wall but, thanks to new technology, now need additional sockets. I would prefer not to use an extension block and would prefer to fit another dual immediately alongside it. Does that need to be wired as a series connection in the ring...

Hi. I need to replace the mortar above and below two upstairs windows again but every time I do it cracks and some of it falls out after a few years! I’m obviously missing something. What’s the secret to keeping that solid and in place? It’s probably 1” high and 3” deep across the width of each...

Our very elderly neighbour has recently started having irregular RCD tripping on her ring mains ccts. Usually with a few days in-between. There are two (Steeple) MCBs in the fuse box with their circuits supplied through the RCD. She had her side utility room rebuilt and new LED lights fitted...

We have an existing side and rear extension at the back half of our detached house. The waste pipe from the new en-suite and the downstairs sink run in an underground pipe at the side of our house (where it isn’t extended) into a new manhole connection on our property to the main sewer which...

I lifted two runs of our creaky 1950s upstairs hall floorboards, which aren’t in great condition and had obviously been up before, to run in a cable. There is a sheet of 3mm hardboard between the boards and the underlay across the whole hall. They have now been temporarily replaced with the...

I removed our old kitchen cupboards yesterday and found the ring main has been joined using two choc blocks covered in insulating tape in an open cavity in the plaster behind one of the cupboards. What is the correct way to join those cables please? And can it be plastered / covered over or...

Hi, We really need to fit an electric oven to replace our old gas oven but have no 'big' wiring into the kitchen, just a ring main and lights. I have just checked and the house has a 100A main fuse, 100A meter and a distribution board with 100A main switch with MCBs of 20,6,6,6 unprotected and...

Hi, We have an 8' rad in one bedroom which has started to make a loud, irregular metallic tapping sound only when the pump is running. I have isolated the rad and it stops, and have held the rad against the wall mounts with no change. The tapping varies between twice a second to every couple of...

Hi, I recently bought a couple of WiFi mains switch boxes which just connect live and neutral from the input across to output when operated. One will be used to control our porch light and I would like to control the house CH with the other one, if that's possible. A bit of a Hive-on-the-cheap...

Pardon my lack of electrical knowledge and ignore the Sparky user name :? but I was wondering if an RCD plugged into a ring main powered via an RCBO would not be as effective due to them sharing the trip current, or will the most sensitive of the pair still trip first at ~30mA ?