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Christmas is always a big hype beforehand, two days of total chaos and then a big let down afterwards, possibly punctuated by a period of forgetfulness a week later and suddenly it is next year! Happy Birthday Tony!🍺

Festive greetings on this merry Christmas morn to all on the forum. 🎄🍻

I think you will find that those initials are just the series / model number of the equipment, such as an electric kettle being a Kenwood SJM480.

Initially make sure there is definitely not an earth rod present as it can be tedious installing a new earth rod, depending on ground conditions. Sidney has given a lot of useful information. The most cost effective method for small installations is using a copper clad steel extendable earth...

I would agree with the above but, just in case it is a fault from line to central heating pipes, have you checked the voltage between the water/central heating pipes and earth as if the water pipes are not currently connected to earth they could become live in this case. If it is a neutral to...

If you have a fused spur on the socket circuit then to change this to a single socket is straightforward. I would reiterate the safety aspects of ensuring the power is off prior to starting work. Make sure the spur is  high enough from the floor to be able to plug in. The wiring would be...

Notwithstanding the above comments about varying regulations and standards to which you may need to be working, if you are effectively conducting an insulation resistance test at 500 Vdc on a heating appliance in accordance with the COP for in service testing then the minimum value for a heating...

6mm² should be enough, not all parts will be powered simultaneously and continuously so the average maximum current will be OK.

Welcome to the forum. For the AM2 fault finding you will encounter short circuits, open circuits, reversed polarity, high resistance and incorrect cables in terminals. For a short circuit: Measuring resistance between conductors where you expect to find open circuit and getting a low value of...

I echo roys above, welcome along.

Something like this I think is what is being described by both you and others. 1mm² cable should be sufficient and easier to terminate. Having the three core from switch to sensor allows more capability at later times if it is required, even if you do not install a manual override at the moment.

The results would depend on units of the scale of the meter. The 1 indicates there is no continuous path line to Neutral, likely causes being the thermostat has reached its set point (not likely in this case) or the overheat has cut out. If this is 20kΩ / 200kΩ range then the other readings...

I did not remember "Treacherous as the Sea! Stronger than the foundations of the Earth!", oops, must read it again.

Perhaps if you were to try changing the mode of the dimmer this may help, even though they are meant to be trailing edge from the start it is possible this has been inadvertently changed since the other dimmers work as expected.

Welcome along. If your ceiling is less than 225cm high and the pull cord will be within 60cm of the edge of the shower cubicle, (or if it is a wet room then within 120cm of the shower head) then this would not be permissible, usually the easiest course is to move the switch across the ceiling...

If your economy seven power is only switched on during cheap rate you should have both wall switches (if there are switches and not just fuses) on all the time. If the Economy seven power is not only on during cheap rate times then the off peak supply should be on a timer to come on only during...

It sounds like you now have a safe design. The arrangement is unconventional but compliant. So long as you have connected the cables correctly and securely then this design is safe.  Testing of the RCD to ensure it works and the cable to ensure it is correctly connected and undamaged would be...

I think, as you would expect, that connecting a socket to a heavily loaded circuit with the wrong size cable and no testing is not going to get you a major round of approval. It would work and might not overload but it is not a well designed solution. Cooker circuits, depending on the cooking...

Thank you, good to hear back.

The metal lid would be well insulated from the electrical parts by the plastic body, if you have an autoranging multimeter you may have had a result in MΩ instead of Ω but the display would still show 0.1, but with MΩ units that would be 100,000Ω.