Polarity on a non-bladed plug?


Hi gang,
My question is a simple one---I have a outboard pwr supply (standard supply for a Aragon 24K) where the plug is the non-bladed type. I remember reading somewhere that the plug wire that has ridges on the side is the ground and the smooth side hot. Do I have this right or is the reverse the way to go? Thanks and enjoy the music.
south43

Showing 2 responses by rlawry

There are ways using a multimeter to measure the current between the chassis of the component a known ground, but I never worried about how to figure it out. Maybe your component does have some way to figure which side of the cord is ground, but in my book the sonics are what matters most. I have also been able to reduce 60 Hz hum on components by plug orientation, particularly digital ones.
The correct way to orient a 2-prong plug is to try both ways and see which way sounds better, if indeed one way sounds better. Sometimes it will make a difference, sometimes not.