A dimmer switch doesn't create the current. In the old fashioned style it introduces resistance into the circuit. The higher the resistance the more voltage drop across the resistor (rheostat) leaving less voltage available to operate the light. This causes the light to dim. With new style dimmers and the advent of electronic ballast, this changes. They use electronics to change the current that flows to the light (actually called Lamp) causing it to burn dimmer. But, the dimmer does not generate any current. It only manipulates it. Period.
Your return pump generator water flow, many things you plumb into it will affect that water flow but they do not generate water flow. With a few minor exceptions, the return pump in our electrical systems is the electric utility company providing power to our homes. We can manipulate it but we do not generate it.
Some of the exception to this would be a gas powered generator (conversion of mechanical energy to electrical energy), a battery (chemical reaction to electrical energy) or a thermocouple (when heated it will produce small amounts of current flow).
Your return pump generator water flow, many things you plumb into it will affect that water flow but they do not generate water flow. With a few minor exceptions, the return pump in our electrical systems is the electric utility company providing power to our homes. We can manipulate it but we do not generate it.
Some of the exception to this would be a gas powered generator (conversion of mechanical energy to electrical energy), a battery (chemical reaction to electrical energy) or a thermocouple (when heated it will produce small amounts of current flow).
