Why Don’t You Electrocute Yourself When You Touch The MagSafe Plug?

Macgasm writes, Touch, touch. Poke, poke. Is this thing even on? Apple’s MacBook charger doesn’ seem to obey the laws of electricity. Why don’t we get a giant shock when we start poking around the end of a MagSafe adapter while it’s plugged into the wall? Simply put, it’s all about charge control: Pin 3 in the middle is a “Charge Control” pin that dictates whether power is output or not … Since your thumb can’t send the correct signal through Pin 3, power is disabled when it is connected to your thumb (or anything other than an Apple device) There you have it,...

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