i have 5kva gennie and in these times   we might need lecy ...do i just plug   gennie in to any socket  ===any issues   in any way from  this  ,, was also looking at running it on natural gas .,,,,if output volts is higher than   grid would this mean current flowing back to grid  .tia
				
			




 You need to do it properly so get an electrician to help with how you isolate it from the grid.