hi my name is Mike and i'm new to this forum. I want to tell you all I am not a licensed electrician however i finshed my electrical trades course and am searching for a job with one. I joined this site to learn even more about the trade. Most all the lights in my house flicker when our well pump turns on. Could this be a loose ground? We have a 150 amp service. thanks alot
No Mike, it is not a loose ground. The earth ground has almost ZERO role in the function of the electrical system. The pump is drawing a large inrush current, and that causes a slight voltage drop across the service conductors to your house.