That sounds like it is a GFCI outlet, which simply put means your outlet has it's own breaker. Most codes now require outside electrical outlets to be GFCI for safety reasons. If it is flashing red it ... read more
The above are two good, and siilar in approach answers, but there are two issues it seems no one includes:
1) If you house was built before 1978 it must be inspected by a certified contractor or lead ... read more