I agree with ohming out the wires.

Often one of the sides of the cord will have grooves or writing on
it. The neutral is normally identified by something, though I
have had cords with no discernible difference.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Keep the whole world singing. . . .
DanG


"Den" wrote in message
...
Group:

I'm putting a new plug on my wife's hairdryer. The old plug was
unpolarized, and the cord doesn't give any indication of
polarity - is there
any way I should know other than testing with a meter which wire
is hot and
which neutral?.

Cheers

Den