ONE:
That is a beautiful home you have!

TWO:
I see I am not the only one with a palm tree. 🙂

THREE:
It is a “short” and it is somewhere in the conduit to the gate’s button and light. More than likely both the power pair and the contact pair share the same conduit.

Someone could get a big surprise if they press the button and 120-volt AC jolt crosses over into the low voltage DC contact line.

Each should really be in different conduits.