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can you provide a link to where we may find one of these catalogues, thanks.

so basically he is 'allowed' to attach two of the 3 of them (the third one been the most important one). and as per JD's post above it is very unsfe without it connected. (and I will reiterate the above advice (just incase the op missed it) to turn off the power before touching / attaching...

the need to notify was in reference to the original installation (see op), which should have been notified, rather than the repair.

yeah but the 12v bulbs are driven at a higher current which is more efficient, but either way they all use a lot so slight differences between them are negligible.

same here but its on a three pin plug like BAS' Its unconfirmed but i suspect the switch mode power supply in the adaptor has a filter on the 240V end which will cause some earth leakage.

a cure to stop the MCBs tripping out without doing a big rewire would be to set up some relays/ contactors with delays so when the cycle starts each transformer (or group) can energise before the next ones power up.

If it repeatedly works on other sockets but not the one in question i would say there is more likely a socket /wiring fault. if you just buy another RCD adaptor it may work in a different way to the one you have an mask a faulty socket (if it is faulty). edit: my parents had an old power...

^7% for what? on arrival? within one year? within 5 years? if a fail is out of spec how many actually fail completely? I am not a spark but my passing observation is that in a lot of split load boards they rely on diversity to not take the RCD beyond its maximum current, and there are a...

^that does makes sense BAS, i would say if your going to rcd then your going to need a lot of them, when people start plugging in laptops (as is common in hotels) the earth leakage will soon add up and you need to avoid nuisance tripping.

or your water trap (u bend) may have lots of rotting matter in it. put a bucket under it and take it off and clean it out. it happens after a while, mine needs doing at the moment.

i somewhat agree, but an IR tester will confirm this and the cable to the oven can then also be IR tested as its possible there is an NE fault on this (or even another circuit) I would suggest putting it on its own RCBO, so that the leakage isn’t accumulated with other leaky devices such as...

this is why light (and sound) isnt measured in watts (other than by marketing people). in terms of a laser you would be right >5mw eye damage is an issue a 30mw laser can pop a ballon and you can feel it on your skin. but a laser is (generally) very focused. For setting things on fire a 50w...

i think it may say something like 'constant load' so a washing machine is ok, but i guess a >2kW drier (or immersion heater) still wouldnt be, although in the case of the op where it is just a backup so intermittent use would you fit it?. i seem to remember people discussing whether an oven...

isnt there something in the 17th edition of the regs saying that fixed appliances of more than 2kw should have a dedicated circuit? (not sure of the wording so it may not apply) it would be something to be aware of whether you abide or not.

yep, but now leds + optics are around that give various field of views and can take a lot more than 5mw.

not so fast it apears you missed this bit: and make sure you understood this bit: and yep as has been said above, post some pictures!

and if your not picky; it only takes one knife. (joke)

connecting to the old shower circuit is unconventional, but i think could be done with some extra work (eg an FCU), but as you wish to (correctly) also have a feed off the light circuit then there may be further issues of having two supplies going to the one device, its probably just as easy to...

it might be more effort but it would be worth looking for somewhere to get thicker cable, what about getting it delivered?

(new) cables generally dont just break, only at the connections. I expect someone broke it, probably the fitting of the kitchen units is to blame. if that is the case then I would probably stick with the trunking. However the electrician should know where the cable is and if this is likely...