I was in a house the other day where they put a normal 3 pin socket on the genny and they plugged it into the oven outlet on the wall (as that’s thicker cable) and it powered the whole house and the fuse box shut off so it didn’t put power into the grid
Yes it can be done, I was advised by a WPD engineer that if they came across this, they would take action against the householder. What would happen, I have no idea....
The conversation came about as we have having an outage as an underground was blown, and I said I was going to put a gennie on, which made him ask me how I was doing it! Happy when I told him a CoS was installed, but he came and had a look....