turn it on she could electrocute any electricity board staff working on the line who think the power is off, or power all the houses in the village.
Weaver I work for a DNO [The old Eastern board] and I appreciate the concern
However I cannot recommend a customer pulling their own cutout fuse to isolate their supply but I understand your reasons.
I think its safe to say unless you have a very large generator the initial load current from picking up the local LV feeder way(s) and possibly inverting into the HV network is likely to cause the generator to at least trip or more likely fail to start at all.
Can anyone with a brain think of anything really foolproof ?
I would suggest you contact your electricity supplier to install a 100A double pole isolation switch located after DNO owned cutout but before your suppliers meter - this will allow you to isolate your installation from the public network.
Some styles do allow you to install a single key safety lock which means without the key you cannot operate the switch or remove it easily (its what we use on the network to secure isolated LV feeder ways or HV switches).
Finally I know some people who have their own generator installation a on-load or offload bypass switch can be installed which would also achieve the same as above.
