light rust found on each terminal screw on each breaker, along with at the bottom of the panel.
i could feel air infiltrating the panel where the service conductors enter it.
could moist air entering the panel cause copper conductors to discolor this way?
i need reassurance of the color of the conductors.
is it possible that the copper conductors are patina???
or is this tin coated copper?
check the color of the ground wires.
sorry for the sub par pics.