1.processor 2.power supply 3.reset
To reset a garbage disposal that has stopped working, locate the reset button on the bottom of the unit and press it. If this does not work, check the power supply and circuit breaker to ensure the disposal is receiving power. If the problem persists, consider calling a professional for further assistance.
To reset a photocell, first, turn off the power supply to the device for about 10-15 seconds. Then, restore the power, allowing the photocell to recalibrate itself. If it has a reset button, press it according to the manufacturer's instructions. Finally, ensure that the photocell is clear of any obstructions or dirt that might affect its operation.
Pulling the plug isn't too bad... it's re-inserting it that could cause problems. It could cause a power surge.
A local auto supply store can reset it for you.
If the status light on your water heater is not turning on, you should first check the power supply and make sure it is connected properly. If the power supply is fine, then you may need to reset the water heater or contact a professional for further assistance.
UPS = Uninterruptible Power Supply
power supply is a device that supplies electric power to electrical load
all about regulated power supply
Advantage of regulated power supply.
any power supply with at least 175 watts
If it is a computer power supply it is the box that gives the computer its power from the outlet.