Main Breaker trips - HELP !!
When my A/C unit runs, it trips my main circuit breaker. Not always. Its random. sometimes it trips 3 or 4 times a day. then runs fine for a day, then trips again. The breakers inside my house are not tripped. they look fine. I had to go outside my house and OFF the breaker and then turn it ON. I had called my utility company. They told me first to replace the main breaker and if it happens again then there is a problem inside the house.
Should I call a electrician first ? can I replace the main braker myself ?