sockets for
Donno, not seen mention of any great changes inside other than recent comments here. But are those figures of 70 to 100k/unit just the total cost divided by number of units? That isn't the same as how much was spent refurbing the inside of each flat.
There are a number of electrical faults causing fridge fires, the nature of which has changed over time - with high volumes of units sold there will a lways be failures. Years ago was electromechanical starter switches but sin ce have had issues with PTC's (solid state starter), defrost timers and rec ently capacitors.
There's no guarantee an rcd would help (at least not 100% of the time) The problem with European designs - as London Fire Brigade (see their website f or videos) have been saying for a number of years (backed by research) is t hat the European standards don't do (or didn't until this year) address the escalation of the fire - the switch from metal to plastic drip trays is on e issue as is the use of twin wall polypropylene backs and pentane blown in sulation. The refrigerant generally doesn't cause explosions (although it c an) as it only gets released once the appliance is fully alight.
In the US design standards (UL 250) are influenced more by insurers (i.e un derwriters limited) - the stats would seem to suggest that US fridges are s afer. i.e. Components likely to fail are separated from easily ignitable ma terials
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