Over the last four years I have plugged into pedestals with faults three times. I always plug in the surge protector (Progressive Industries), before connecting to the RV, checking the display to insure I have good clean power to start with. I also have a commercial grade surge protector wired into my home. Given the frequent and intense lightning we see here in Arizona it just seems like the right thing to do.
As always.... Opinions and YMMV. :C