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To: maceng2 who wrote (113)9/10/2003 6:56:13 PM
From: Tom Swift  Read Replies (1) | Respond to of 166
 
It may have been a shunt monitoring device - 5A would then make sense.

Didn't the British train system have a similar problem (wrongly installed monitor equipment) with signal devices that caused a fatal crash a year or so ago?