"David Nebenzahl" wrote in message
The new plugs will fit the older cords if you grind down the polarizing
plug.

A Dremel tool works swell for this.

So does an ordinary hand file. Voop voop--done.



Not that simple. You need a permit first, the work must be done by a
licensed professional and you have to file a plan to dispose of the copper
filings in a safe manner. Finished cord must be inspected by the same
outfit that applies the mattress tags.