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Does the certificate not tell you what the circuits are? With the socket circuit breaker off, is there a socket still live in the kitchen as could of fitted a single socket on the cooker supply?

more than likely, they will also be an rb4 jointbox located under the floor.

BS EN 60445 only refers to functional earth colours, not general wiring colours. indeed the chapter 51 amendment shows protective earth as green and yellow. As i understand it, according to BE EN 60445, all functional earths will now require a pink functional earth lead from sep 2020 "6.2.5...

BS EN 60445 doesn't mention cream so i assume that cream will no longer be acceptable. To quote from BS EN 60445: 6 Identification by colours 6.1 General For identification of conductors, the following colours are permitted: BLACK, BROWN, RED, ORANGE, YELLOW, GREEN, BLUE, VIOLET, GREY, WHITE...

There is a corrigendum which has been issued (Dec 2018), which lists the eleven corrections to be made to bs7671 https://electrical.theiet.org/media/2063/bs-7671-2018-corrigendum-dec-2018.pdf

Indeed it has, and as I wrote, it’s changing to pink in sep 2020

Only from sep 2020 tho!

if its like hager, a '3phase' one is 10ka and has a longer neutral lead

The isolator is just a Wylex 100a dp switch, if it was in a dB it would be fed from the top, what’s the difference here? Yes they have sealed the wrong side, as in this case the bottom is designed for end user access.

Better tell the DNO there service head and backing board are a risk! Not What part of that install are you considering a problem?

Yes move your Port 3 to Port 4 and put the 2x browns into a connector block/wago

Indeed it is a combi Combi’s require both a permanent live and a switch live to operate. Your existing receiver is connected as follows:- On your Drayton receiver Port 1 is common, Port 2 is heat off, Port 3 is heat on and Port 4 is unused/not connected So the 2 browns in Port 4 are using...

based on your drawing the live is linked to 1 and 4? then your have a 4core from boiler to earth neutral 3 & 4? is that correct i would suggest that earth and neutral are common connections, term 3 is the boiler switch live for heat and as terminal 4 is unused, they have connected the browns...

Use a long bush with a lock ring between boxes and a lock ring inside the box, this will allow close coupling and allow the faceplate to go on

Apparently not, once stock is gone thats it, of course you could aways fit siemens mcbs as thats all they are in a different coat!!

mk sentry mcbs are notorious for tipping over when tightened up onto the busbar, its a bad design and although unsightly, is perfectly safe. As an aside, mk have decided to cease production of all cu's, mcbs etc from december and will concentrate on faceplates only, so once stocks have expired...

No, blue is in terminal 2 which is shown as neutral on the diagram, it shows you that it switches between number 1 and 3

have you connected to the cable marked return by taking the faceplate off as may not be terminated properly

They seemed to use the phase colour as the switch live marker on old pyros, ie all the circuits on yellow phase had yellow markers, all blue phase had blue markers etc, which I think is/was a good idea

1. yes the app can control timers, events etc, has on/off and dimmer slider also 2.indeed, create an event and then set a timer 3. if the relay can be logged on then a timer/event can be created, i use a relay for bathroom fan 4.all accessories have no problem with a power cut, the link/hub just...