These wires can be modified by players, scripts, and the game. They are visible to the player if the entity's draw_circuit_wires prototype property is set to true and both ends of it are on the same surface.
These wires can be modified by scripts and the game. They are not visible to the player, irrespective of the draw_circuit_wires prototype property.
These wires can only be modified by the game. They are not visible to the player, irrespective of the draw_circuit_wires prototype property.