Thank-you Birken and Brian! Now I’m going to check both of my portable generators to see if they have removable bonding jumpers....just for the sake of my own curiosity! I have 3-pole transfer switches at my own place just so that I can use my portables as-is with no modifications.
So, while on this subject, if a person has an optional standby system that is non-separately derived....is there a legal way to connect a bonded portable generator to it...like maybe omitting the grounding conductor from the power cord....or not connecting the grounding conductor at some point?
Only way that is legal and safe is to remove the bonding jumper from the genset and use a 4-conducter cable.