Automatic transfer switch between two power lines

@MohamedDoba

11 years ago

https://everycircuit.com/circuit/5728460626460672

Line 1 (L1) Line 2 (L2) 1-when L1 is on and L2 is off the load power by line 1. 2-When L1 is off and L2 is on the load power by line 2. 3-when the two is on the load power by line 1. 4-when the two is off the load sure off.