[mindslight]

Do conventional synchronous generators not cause the problems they purportedly do? I've got an inverter generator simply for fuel usage.

I've certainly had my fair share of square wave UPSs and devices that don't work on them.

[thedougd]

This could be because of a floating neutral.

There are certainly cases where harmonic distortion is a problem for a device. It’s just that everyone is left guessing, and there’s an overblown fear of devices being harmed.