The summary seems to be that service fuses, consumer units etc end up overheating from time to time due to a combination of bad contacts and high currents. Most of the time this just leads to charred wiring and electrical accessories but occasionally a full blown fire results.
The big and difficult question is what is the difference between the cases where there was just some charred electrical gear and the cases where there was actually a fire.
One of my drinking buddies was a fireman until last Friday. Government cuts and all that.
More often than not, whenever there was a house fire where the chief investigative officer could not find an obvious fault ("Gas leak guv?" "Nah, the house is still there".) It was put down as an electrical fault.
Just had a look at the photographs in this document and in most cases the electricity meters are very new looking. I won't be surprised if it's a case of the connections been disturbed when the meter fitter pulls the fuse to replace the meter. (Some fuses possibly been wedged in place for decades)
Having said this, the fuseholders are in the live side of the supply, yet people say that overheating in these areas occurrs in the neutral side a lot more than the live
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