Hey godsdrummer10 - this is definitely not what we'd expect of your charger! Are you still using the original manufacturer's charger that came with your phone, and does this happen regardless of which outlet it's connected to?
If I remember correctly, my original cord was faulty. Though, that may have
been my last phone's cord. I took my phone in and there were some faults
with it that aren't normal so they are giving me a new one.