grab1
Member
- Location
- Flemington
I have been an electrical contractor for 8 years, in the business for almost 20 yrs, today I got stumped. I have a 120/240 v single phase panel, there is a 2 pole main breaker on the top of the panel. When I turn on one of the branch breakers, the a phase of the main breaker drops to 20 volts. I spent hours troubleshooting this and I cant get a grasp on what is happenening. When I turn the branch breaker back off, I get 120 v on the a phase, lwt me know what you think before I quit the business and become a plumber!