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Old April 15th 08, 10:46 AM posted to uk.railway,uk.rec.subterranea,uk.transport.london
David Hansen David Hansen is offline
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First recorded activity at LondonBanter: Jul 2003
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Default Crossing London tube tracks

On Tue, 15 Apr 2008 11:16:45 +0200 someone who may be "Clive"
wrote this:-

The physical size of the fuse IS important when you are considering
spark-gaps etc, which is what caused the dramatic failure in this case.


Incorrect. What is important in this respect is the breaking
capacity of the fuse. Different designs of fuse, with the same
physical dimensions, are able to reliably break different currents.
The same is true of different designs of miniature circuit breaker.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54