Electromechanical relay logic resources
I am looking for some resources that can help me to learn simple and complex electromechanical relay logic. Hopefully with self tests and worksheets. Also with some practical trouble shooting tests. I have been looking on the web and have been finding some topics but I would also like to enlist the help of CEans as well. I would be interested in free info as well as books I can pay for as well.
Thankyou.
Thankyou.
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