If you've ever wondered on the sort of explosion you can get from the DNO system
http://www.bbc.co.uk/news/uk-england-northamptonshire-33006500
That is an LV underground connecting box failing!
And on the overhead system this still happens
http://www.bbc.co.uk/news/uk-scotland-edinburgh-east-fife-33007610
Reading the story it was quite survivable had the driver been aware of what to do (and also not been allowed/told to tip there!)
http://www.bbc.co.uk/news/uk-england-northamptonshire-33006500
That is an LV underground connecting box failing!
And on the overhead system this still happens
http://www.bbc.co.uk/news/uk-scotland-edinburgh-east-fife-33007610
Reading the story it was quite survivable had the driver been aware of what to do (and also not been allowed/told to tip there!)