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Just a quickie. A cable connected to a house ring, it leaves the ring as a spur, using armoured cable, then goes underground to a shed or garage. Does any cable, as it leaves a house, need additional fuse protection at that point - is there a reg stating so? Is the mcb/rcbo at the CU good...

No space for a separate mainswitch. Mainswitch is CU incomer. Sub CU needed. Can the one mainswitch incomer on the existing CU also switch the sub CU? That is, one switch does the two CUs. If so, what is the usual way of doing it?

I believe in new installations to the 18th, a SPD has to be installed unless a risk assessment is carried out and says "no". If you can do not to do the risk assessment then the SPD become mandatory. Is that so?

GasSafe man told me they that they can only connect onto the output terminal of an existing FSU, not install a new one or even unscrew it - by law. He was adamant they cannot run a cable back to a CU or anything like that. I am unaware of any such law.

Saw these DP RCBOs that fit into one CU slot, which are reasonably new on the market. Look neat as they will replace a simple standard mcb. Anyone had any problems with them? https://www.tlc-direct.co.uk/Products/WYNHXS1B20.html RCBO-AFDD that take up two slots are even better protection. But...

People I know called me asking me .......... You are advised to stop your illegal working. You will get no advice here. Mod

When removing tank from the loft, even after draining some water is in the bottom of the tank below the cold water tappings. Plumbers have many ways of getting rid of the water to remove the tank. What methods do you guys use?

Know of people who want to convert a part of their garage to a downstairs bathroom, probably a toilet and shower room, accessed from the house not the garage. The Electric CU and meter is in the garage which would be in the new bathroom. A cupboard could be built around them giving access via...

In a twin flue pipe setup with a boiler in a well ventilated basement (area of basement air vents larger than air intake pipe), only the exhaust pipe needs to be taken to outside with the air for combustion drawn in via the well ventilated basement. Common in small commercial setups. Do many...

Ideal own Keston. The Ideal combis are identical to the Ideal Logic, except the Keston uses a twin pipe flue system. Why do many castigate Keston, yet laud Ideal?

CU with RCD. Does an outside light still need an FSU switch with a fuse?

Electric UFH heating being considered in a 63A supply. Using diversity it still is over the limit, so more inventive means have to be used. The two socket rings are being dropped to 16 amp, not the usual 32A. The main ring will have mainly a TV and a vacuum cleaner plugged in occasionally. The...

There are a few higher temperature condensate boiler pumps available that can take the pressure relief pipe discharge as well as condensate. Anyone had experience of them? Thanks BOILER PRV DISCHARGE COMPATIBLE • Able to easily handle high temperature (≤90°C) inflows for up to 5 minutes, all...

New CU in an all electric flat, no gas pipes. Plastic water mains. CU has double RCD all circuits RCD protected. Only earth cable is the incoming earth cable. AIUI, no need to have any earth cable from the CU to any pipe as nothing to clamp onto. Correct?

Manrose 12v fan with transformer in the ceiling unable to access. Will a Vent Axia 12v fan work with the Manrose transformer? Any experiences of this? Transformer does the timer run on function, with the fan a bare bones 12v motor. Thx.

There will be electric heating in each room, seven of them. A new CU is being installed for the whole flat. The idea is to have a sub CU off the main CU holding only the mcbs for the electric heating, so the heating is all in one unit. On the main CU, is an 63A RCD feeding the sub CU OK?

Does anyone know what the max pressure and flowrate of the Mayfair M2000 water softener is?

Does anyone have any experience with this boiler? https://www.flexiheatuk.com/wp-content/uploads/2017/11/Flexiheat-Brochure-for-Domestic-External-Gas-Boilers-as-of-16.08.2018.pdf

Saw one of these fitted on a boiler change. Out of convenience/expediency two small new rads were returned between the boiler and filter. The filter was not the last in line before the boiler. Any corrosion problems with these new rads would be picked up by the filter anyhow via circulation...

What make/model do you consider the best quality UFH matting?