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Thanks Dartlec,
It is for rental property, 3 actually. My problem is that I retired 10 years ago and now live in France so can't get back easily to take care of things.
I worked commercial so never had experience in houses or EICR's. The 1 bedroom flats were all bought like this. I did have the CU's changed in 2 of them 5 years ago. I know the make/model of the fan so I'll write to Xpelair, see what they say.
I hear you about C2's meaning potential danger, I'm struggling to see how a plug top suppying a boiler or lack of isolator (except the breaker) on a fan is going to cause any danger
What do you think about his comment that 7671 having new editions changes things. By his reckoning rewirables should be getting C2's now. No? Or do they? It was always my belief (wrongly?), that if it was once in the regs you couldn't give it a C2.
Cheers,
Keith.
There are some things that were once fine according to the regs, that are now C2 - though a lot of them are related to very old methods of fusing, or wiring that is crumbling due to age - or the lack of an cpc for lighting circuits prior to 1966...
The situation with EICRs is complicated, partly because BS7671 doesn't properly address it and leaves it to 'guidance'. The testing is to current regulations, but things that are not as per current regulations are not automatically a code (There used to be a Code 4 that was dropped).
If a property was installed correctly as per regs say even 30 years ago, then there is not going to be much that should reach a C2, based on current guidance. Lack of RCD protection on sockets that might supply outdoor equipment and bathroom circuits is the main one that crops up.
Rewireable fuses are not themselves an automatic failure (Though personally they really should be gone in rental properties these days) - but boards that age often haven't had RCD protection added, which is where a C2 can reasonably be applied.
The other issue is that many flats/houses, including some done recently, do not comply with the Regs that were in place at the time... The classic example is single insulated twin and earth cores visible at downlight terminations.