My power supply is worn out. The plastic covering has become detached from the base of the main box on both sides. The extension cable isnt as serious since the inside cables have plastic covering on them, but the other side has the bare wiring exposed. I brought it into the apple store but they said it wasnt covered under warranty because they thought it was caused by winding the wire too tightly around the power supply. He said to contact apple for further information. So i am wondering if someone can supply me with an email address to which i can contact in hopes to get this issue resolved. Thank you very much!