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What are you wanting to use the socket for?,,, as there is a specific section of the regulations that covers supplies for charging electric vehicles in which it requires extra protection measures over and above just being RCD protected

IIRC the only one that uses a back plate like that, for the receiver, is the Hive…. It doesn’t mean that the connections are on the same terminal though

Without seeing it id go with what Spec Loc says,,,, if its on the return pipe for the radiator circuit it could be in series with a frost stat, so that when the pipework reaches a minimum temperature it sees the frost protection as satisfied

I used to work for the MOD (RAF civvie) repairing avionics,,, when we filled out the paperwork we never wrote “calibrated” as our test equipment was too many rungs down the ladder from the STANDARD, we only wrote “adjusted”….. I would suggest that a mobile lab shouldn’t advertise them selves as...

The main problem with what you propose is that is isn’t compliant with the specific section of the regulations that relate to supplies for EV charging:- a) it needs to be protected by an A type RCD b) it more than likely needs to have O-PEN protection c) it needs to have a socket that states...

You could make up a double plate in click (mode ?) with a single socket, a DP switch and a fuse module,,, you wont be able to fit a flex outlet on it though

All that sticker shows is that the installation has been inspected and tested on that date and that it should be retested on the other,,,,, it does not indicate that the installation was found to be in a satisfactory or unsatisfactory condition, in and by its self,,,, you need to have the...

I’ve had a few of the little EETPU (now UNITE) “Electricians guide to good practice” books,,, i find them much more helpful than the OSG

While putting the 2 circuits on the same RCD may stop the RCD from tripping it’s still very far from being compliant, if they were put on the same MCB then that’d be fine though

TBH it’s more than likely that the RCD/RCBO can no longer cope with the thermal effects of having a high current running through it for a good few hours…. GARO have updated the 40A RCBO’s that go in their PEN protection devices for this very reason,,, ive had to replace one at my cost as it was...

There’s loads of houses around here wired with that cable in the 70’s

The only change that I’ve noticed on the wiring diagram of the bi-directional RCD’s & RCBO’s is that the test button is also isolated when they’re switched off

IMHO the question should say “could” instead of “would”

The only reason to work out the PEFC at the end of the circuit would be to stick the figure into the adiabatic equation to work out if the CPC is adequately sized,,,, however that only gets you the size at the end of the circuit and misses the beginning totally

Definitely look at these, but also think about how fast the RCD component of the RCBO needs to operate during fault conditions

That is far from ideal, especially if it’s buried…. If that’s the quality of the work then I’d probably be looking to replace the entire run of cable. IMHO though,,, you need an electrician to test and identify the cause of the fault rather than randomly “following your nose”,,, you may be...

No… that RCBO only switches the line conductor Should also have a SPD IMHO….. its not difficult

I had a fault the other week where pretty much anything being switched on in the kitchen would trip the RCD (cooker, kettle and even the fridge),,,, I tracked the fault down pretty quickly using proper fault finding techniques,,,, there was a trapped neutral conductor behind a socket in the...

For those that aren’t used to induction hobs (especially the plug in type)… they modulate the hobs so that that the total amount of power doesn’t exceed 13A,,, generally you won’t notice this as everything will cook fine, however they’ll only allow one cooking zone to be at max (boost) power at...

Absolutely!!!! The owner of a local retail unit (with multiple occupants) has just put something like £100,000 worth of PV on its roof,,, he recons that the ROI is about 12 months!!!!!!!