GerryAZ wrote:It should be noted that the resistor will limit ground fault current below the trip levels of GFCI receptacles or the EVSE so they will not trip if there is a true ground fault on the load circuit.
While that is true, if the current flow is below 6ma, there is no shock hazard.
GerryAZ wrote:If actual GFCI protection is needed, then the generator frame must be grounded with a ground rod or connection to a building ground and the neutral must be connected to the generator ground with a wire instead of a resistor.
Installing a neutral/ground bond has the advantage that in the event of a ground fault, the breaker or GFCI will trip. Connecting the generator frame to an earth electrode just expands what counts as a ground fault--it's not clear to me it enhances safety.
GerryAZ wrote:I use the solid ground plug for backup power at the house with the generator frame grounded to the house power panel ground. I leave the generator floating (neither plug inserted) for general portable use.
If "backup power at the house" means connecting the generator to the building wiring, then you probably DO NOT want to use the solid ground plug in that situation. Unless your transfer equipment switches the neutral, then when the generator is connected to the building wiring the resulting system already has a ground/neutral bond at the house's main panel. Adding an additional neutral/ground bond at the generator would result in undesirable neutral current on the grounding system.