Bottled water dispenser, if there is no water in the barrel, heating switch on, what will happen? What are the security risks?
But the water will boil water, if not timely or turn off the power, drinking fountains will be burned, but generally will not cause a fire.
General drinking fountains will remain part of the water, that is to prevent this situation
To put it bluntly, a waste of electricity, damage to water fountains, fire, luck
