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Forum: London Transport April 16th 08, 09:43 AM
Replies: 94
Views: 20,597
Posted By Jeff
Crossing London tube tracks

Incorrect, filling a fuse body with sand provides additional protection
against arcing in an overcurrent situation.

Glad we got there in the end. The fuse failed to break the current.
The...
Forum: London Transport April 16th 08, 09:04 AM
Replies: 94
Views: 20,597
Posted By Jeff
Crossing London tube tracks

"Clive" wrote in message
...

"David Hansen" wrote in message
...
Forum: London Transport April 15th 08, 05:18 PM
Replies: 94
Views: 20,597
Posted By Jeff
Crossing London tube tracks

"
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...
Forum: London Transport March 31st 07, 08:37 AM
Replies: 349
Views: 66,535
Posted By Jeff
Secret Tube Trains under London?

The only area where there is any additional notification involved is for
persons involved in Security and Intelligence, where the person concerned
must be served with a notice informing them...
Forum: London Transport March 30th 07, 07:22 PM
Replies: 349
Views: 66,535
Posted By Jeff
Secret Tube Trains under London?

Some OSA offences concern(ed) actions taken _after_ various
acknowledgements have been made so signing the piece of paper does
make a difference. Other offences can/could only be committed by
...
Forum: London Transport March 30th 07, 04:35 PM
Replies: 349
Views: 66,535
Posted By Jeff
Secret Tube Trains under London?

I'm quite sure there's more underground than we're allowed to know
about, but doubt it involves the LU system. There are just too many
people who would have found out about any such provision...
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