I have an A/C Disconnect which i am not sure is wired properly. There is a 30amp double pole breaker in the inside panel which has a RBG wire connected (and a white wire nutted and capped). At the disconnect (Eaton 30A a/c disconnect), the red and black connect to the line terminals and the ground connects to a 2 terminal ground bar. From the disconnect, the R & B run to the a/c unit and the ground is connected to the other terminal in the ground bar. I have a cheap volt meter which shows a 120 volt when i connect to either hot wire and the ground, but doesn't respond when connected to both hot wires. I am not sure if the volt meter 240 light is broken, or if it is possible that while each leg would produce 120, no current is produced by the tandem wires? If it is possible, what is the fix?
16 years ago