The wires in between get cut?
That sort of thing happens all the time in the real world. Scuttling a warship at sea has always been a tedious and difficult task, and one that more often fails than not...
Of course, real warships aren't powered by lots of antimatter. Considering how easily containment fails or almost fails on Starfleet ships, it seems like it should be a lot easier to blow one of the things up on purpose.
