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as above, go for air con units. far more energy efficient. you can also get them as a single unit that's inside only, has 2x large holes through the wall for air flow for what would normally be the outside unit

best keep up with current standards. its been selectivity since 18th edition in 2018...

people writing the regs have the same issue as H&S people - they do a good job, things change for the best and everything goes better. now what do they do? they keep changing stuff to justify their existance (and get bribes from manufacturers to incluide a requirement for their products)

so basically amd3 is a ****** correction

one thing i hate about exams / tests. you don't always find out what you got wrong so you can't learn from it

probably used to calibrate the calibrators

the entire question is a bit crap. id expect most socket circutis to be 16a or greater MCB. whatever fuse is in the plug of the appliance isn't really my problem. and we all know in a short circuit a B32 will probably trip before a 13a fuse blows anyway

selectivity is nothing to do witht he fuse ratings being higher than than what would protect the cable. its making sure the fuse ratings will generally cause the one closest to the fault to go first. so if both are the samt hen either or both will blow. so go through the options again and see...

of course he does. they remove the bad ones. can't have their paying members looking bad now can they

under floor is not likely to be extraneous. did your electrician actually test to see if it was? since its unlikely it is

unless the copper pipes go underground / outside the property then they are not extraneous so as above, it doesn't need bonded. time to get a new electrician who isn't either incompetent or trying to create work

at least the light switch is IP rated

don't stick your finger in the gap otherwise someone else will be getting the house

well that's a bit crappy. missing blanks. RCBO on the RCD side. everything on one RCD so a single fault will take out everything

you can get RCBO's for that board

no need to change it just because its plastic. may need changed if the new circutis can't be fitted, either no MCB's or RCBO's available etc, although that would apply to any consumer unit plastic or metal

so you're only taking a week off in late July?

yes, but now they are qualified & incompetent instead of just incompetent

part p is a ******. only covers domestic in england & wales. england & wales also have different requirements. only certain work is notifiable. ask 3 different LABC questions and you'll get 3 different answers. EICRs are not covered by it. and if you follow 'approved document P' then you should...

probably taken all details for EICR but going to do remedials first then issue satisfactory report. you can ask for the report as is unsatisfactory (since you have paid for an EICR...) and then MWC / EIC for the remedials, although some letting agents will still want a satisfactory EICR instead...