I agree its confusing to the homeowner/end-user to understand separately derived or non-separately derived. The industry should call them "Type 1 or Type 2" or "Type A or Type B"...then the inlet could just be labeled for "Type 1 Generator" or "Type 2 Generator", etc.
Will still be about as confusing to non electricians and even a few electricians. Homeowner/end users wouldn't pay any more attention to such a designation then they currently do to any similar technical details. Mostly all they will pay attention to is kW rating and maybe literature that may indicate what the unit may be able to power, if the outlet don't match what they may have at home so what, we will just buy parts needed to make an adapter:roll:
Also once you break the neutral to ground bond to connect a generator to a building...that generator is not safe for the construction site anymore:happysad:
Why you think it is not safe? If neutral is left floating you have an ungrounded system. First fault of any conductor to ground simply creates a grounded system, voltage to ground will be 240 if it is not the neutral that faults, but isn't going to hurt anything otherwise. Fault a second conductor and an overcurrent device is going to open.
You can't just decide to do that kind of thing with utility a supply. Leave bonding jumpers out at service equipment - the utility usually still has ground connections at least at the transformer, you need to intentionally have an ungrounded system being supplied.