Yesterday I was running my portable chop saw off my outside outlet when suddenly it stopped. I checked the circuit breaker for that outlet but it did not trip. I reset it anyway but there still was no power to that outlet. Does that mean the circuit breaker is bad and I should replace it? I removed the outlet and reset the circuit breaker again and checked the wires with a tester to see if it was the outlet , but there still was no power. What should I do now?