Okay takeing of internal boards in kitchen,there was one electric cable attached to air extracter via fused spur ..accidently pulled this ....wow flash and bang....Still alive though.....put electric off disconnected this cable going to fuse spur ..put power back on electric box keeps tripping,,on single fuse which controls air extractor and electric points......removed fuses from fused spurs and tried to reset electric box again same problem any ideas...Thanks Andy