If the arrows are placed head to head, that is, end to end with the arrows facing each other, dead center, there will be created a virtual ground circuit: at that point all electron activity will cease.

In the cold war era, it was discovered that the Russians had planned to rewire our country's power grid in this fashon and thus bring the country to a grinding halt. Fortunately the plot was uncovered by the very same person who later went into business creating interconnects with arrows.

True story....