that is why the owner hired mike cole. >> you wait until it breaks, then are you call. >> reporter: whenen't under houses they spend time on roads and in route to homes where they hear stories like this. >> we just heard a bang. and you know water started coming out. that is it. >> it isn't magic. like murphy's law. >> anything that can go wrong will, right? >> reporter: in this case an expansion tank on a boiler. >> is there a different between outside and inside? >> well, yes. there is. >> reporter: we present little dramas as reassurance and perhaps warning. if you want a better chance of keeping murphy out of your life use advanced maintenance. >> why does it take a crisis? >> good question. >>> a power outage sent benicia residents to the east bay. a total of 4100 customers lost electricity this morning the outage caused by failure of a baseball. some schools had to shuffle students to sunny classrooms. >> it's probably about 25 degrees in there. in there is colder. >> power was restored to the school that's were affected. >> abc7 news has been checking out all of the information as