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Some years ago a preserved railway I volunteer at had two strikes locally, approx 500 yards away (on different sites) within minutes. The EMP didn't cause any issues to the mains supply except for one 240V fuse feeding a supply to the signalling system which blew. The 110V system feeding the point machines suffered a single blown diode and one fuse and the 12V system feeding the signal machines had 7 fuses blow. All signal wiring is standard Railtrack-type rubber cables run in surface concrete troughing for about 80 yards. We also had one platform phone expire, the only phone on site which didn't have a gas discharge capsule on the line (these bleed off any excess voltage over 70V to earth from the phone system).
About 30 years ago an amateur friend of mine had a direct hit on his bungalow. He described how his neighbour saw the whole house glow blue and how the current even blasted some of the domestic wiring out of the plaster! Needless to say pretty well everything electrical in the house was toast.
Some years ago a preserved railway I volunteer at had two strikes locally, approx 500 yards away (on different sites) within minutes. The EMP didn't cause any issues to the mains supply except for one 240V fuse feeding a supply to the signalling system which blew. The 110V system feeding the point machines suffered a single blown diode and one fuse and the 12V system feeding the signal machines had 7 fuses blow. All signal wiring is standard Railtrack-type rubber cables run in surface concrete troughing for about 80 yards. We also had one platform phone expire, the only phone on site which didn't have a gas discharge capsule on the line (these bleed off any excess voltage over 70V to earth from the phone system).
About 30 years ago an amateur friend of mine had a direct hit on his bungalow. He described how his neighbour saw the whole house glow blue and how the current even blasted some of the domestic wiring out of the plaster! Needless to say pretty well everything electrical in the house was toast.
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