Assuming nothing goes pear shaped, and it's not done as part of an illegal abstraction, does anbody ever get prosecuted for it?Bottom line is that the main fuse is the property of the DNO and it is their right to decide who does or does not operate on it!
And they will be able to be operated remotely too...At the end of the day there actually is a fair chance that when the huge push to fit smart meters starts isolators may be part of the package