Water

Water or Rain is one of the ways to transfer energy in Electric Box and Electric Box 2. It falls down just like regular water.

Electric Box
In the first game water is represented by light blue drops that occur in groups of eight.

Electric Box 2
In the second game water is represented by small water drops in a row

Electric Box

 * Water Dispenser: It can turn electricity into water.
 * Water Turbine: It can turn water into electricity.
 * Refrigerator: It can turn electricity and steam into drops of water.
 * Block and other solid objects: Block water.

Electric Box 2

 * Kettle Full of Water
 * Power Generator

Trivia

 * Water doesn't cause any problems, when collides with Wires or other electrical appliances, even though some of them don't seem to be isolated.
 * In Electric Box 2 water can't extinguish the Electric Heater either.