AFDD

Question

Kindly share your comments and experience on the application of AFDD on electrical distribution system. 
 Is it proven on enhancing electrical safety and is it worthwhile on the additional cost involved ?

mapj1 · Accepted Answer

I have no results to add I'm afraid, but I'd also be very interested in any information your investigation turns up as well. AFDDs have been in use in the USA for a while but even there, it seems there is very little published, and even if there was, their wiring practices are so different (110V, wire nuts, breakers at the socket rather than at the board, far less test and inspect) that it would be difficult to read across into the effect into our 230V land. 
 As you might expect the makers literature tends to give the impression that we'll all be burnt to death without them but there is very little objective data, and to be fair they are not very common in the sort of installations that have the most fires, which tend to be domestic, and the few places they are mandated tend to already have some maintenance supervision anyway. 
 Mike

gkenyon · Answer

Albert Law said: Is it proven on enhancing electrical safety and is it worthwhile on the additional cost involved ? 
 To the best of my knowledge, the UK does not record fire safety statistics for electrical installations to an appropriately granular level to assess this properly.

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