Photos of Wigan
Photos of Wigan



Wigan Album

British Railways Wigan

2 Comments

Isolation Switch
Photo: Whelley Jct.
Views: 1,175
Item #: 21681
1963. Showing Isolation Switch, used when signal-box is not in operation.

Comment by: Garry on 22nd October 2012 at 11:58

What is the reason for this switch?

Comment by: Peter W. on 22nd October 2012 at 14:58

Some boxes were closed at times for various reasons, so the last person on duty just before closing had to link this box with the next in line in each direction by sending messages via the electronic system (edge of box housing this equipement can be seen on right of photo),the messages were then accepted and acknowleged by the signal man on each side and the box was isolated (lever turned to right and flap on housing front closed).

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