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I have read all of your replies, but I still have several questions. For the last 8 1/2 years I have used the master breaker switch to isolate the electric grid from the generator electricity. I understand that isn't the code approved method, so I am considering the transfer switch approach. I stopped by Lowe's home center and looked at a kit; however, I don't understand how the transfer switch isolates the grid from the generator. As I understand it, the generator connects to the transfer switch. and the transfer switch connects to the service box via individual wires to the selected six breakers in the service box. How does this isolate the grid?
Thank you.
Answer Maurice
I will try to explain this in a easy format.
The transfer switch has what is called a 3 position switch The top lugs are the incoming power the middle legs are the load to the house. The bottom lugs are the generator power.When the generator is running.When the power is on the blades in the transfer switch (the ones in the middle)
are snapped into the receiving spline. That is normal power,When the power goes off the generator starts and when it times out the blades that were in the top spline get slammed to the bottom (slammed to avoid a big spark) where the generator power is now. There is no way the both can be engaged at the same time.
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