post in the alt coin mining section
https://bitcointalk.org/index.php?board=160.0this section is BTC mining only
now to try to understand the question lets ask what power is your home suppling to you
110/120 volts or 220/240 volts?
What do you mean by an extension cord?
ie do you have a power supply
if so does it have a power cord
what is the power cord on your power supply