On Apr 15, 11:40*am, Windswept@Home (Jack) wrote:
The Phillips portable DVD player has -- for some unknown reason -- an
old-fashioned plug (equal-sized prongs). *It is plugged into a
UL-approved "temporary power tap" that has the uneven-sized
receptacles, with one slot larger than the other. *The strip has three
prongs and the wall has a three-prong receptacle.

Is it dangerous to plug the old-fashioned prongs into the modern
receptacle with the uneven slots? *There are no other pieces of
equipment involved, just the DVD player.

I wouldnt worry its design just doesnt need a polarised plug or
ground.