I was "taught" to touch wires with the back of your hand so that if it's live you don't clamp down on them with muscle spasms. I mean their are better measures,

I was "taught" to touch wires with the back of your hand so that if it's live you don't clamp down on them with muscle spasms. I mean their are better measures, but it seems like a good idea if you had to touch them with bare hands.