Yes, that's generic single line but not the OP's setup. The gripe I have with documents such as that one is that the standby generator has to be rated for the full service entrance capacity. For a 200 amp service with a 25% margin that is right at 60 KW with a price tag of about $20K sitting on the pallet. Considering that at half load this is going to consume about 4 gal/hr of propane, how long is that 1000 gallon tank going to last? The devil is always in the details.
