I'm currently upgrading a kitchen by replacing a freestanding gas oven (at the end of a run of kitchen units) with a built-under gas oven and hob, plus a cooker hood, and fitting new worktop. I need to run some lecky behind the new oven housing, to power the two gas igniters and the cooker hood, and for that I'm proposing to hijack the existing (redundant) radial cooker circuit, which comes down from the ceiling - ie, an FCU for the cooker hood behind its s/steel chimney, with a cable drop straight down to a double 13A socket behind the oven.
First, is there anything wrong with that scheme wiring-wise? (BTW I'm not concerned about preserving the cooker circuit for potential future use with an electric oven.)
Secondly, what are the regs about accessibility of the FCU and the 13A socket? Is it a 'nice-to-have' or is it compulsory that they can be accessed easily to isolate the relevant appliance? Thing is, in this case it would be really pretty awkward to achieve this - I don't want to have to disturb the rest of the kitchen, and because the extractor will sit on a narrow stretch of wall spanning the back door and a window, there's nowhere obvious to fit a switch that wouldn't look crap.
In the case of the oven housing, I hope there might be space at the back to make an access hole in one side, to enable a hand to reach in from the adjacent unit to the 13A socket; however I won't know until the appliance is delivered (and I need to finalise the wiring the same day...)
Thanks! David