There is no danger that the light bulb will stay on for three days and nights. This is directly related to his service life. When the bulb is produced, it is produced according to the continuous lighting process. His filament and the cover of the bulb have been tested for a long time. So there is no danger for three consecutive days and nights. It just consumes a lot of your electricity.
 Is it dangerous to keep the light bulb on for three days and nights
 There is no danger, it will waste some electricity.
 Most of the current lighting bulbs are LED. These bulbs are low in power and have a long service life. There is no danger in working three days and three nights continuously. Because of continuous work, some electricity may be wasted. But because the power of the lighting bulbs is very small, it will not cause much waste, so don't worry.
 Is it dangerous to keep the light bulb on for three days and nights
 The light bulb will be in danger for three consecutive days and nights. First, it will burn out the light bulb. Second, it will waste electricity. Third, it may cause a fire. It is inconceivable that there is no benefit in any way. First, it will waste electricity. Second, it will waste money. Third, it will waste resources. You have to be safe. You are also very dangerous. Countries now advocate saving electricity as a family, We should also save electricity and use less electricity. Let's make a little contribution to our country!