According to the school regulations, generally, hair dryers are below 1000W, and high power is above1000 w. For safety reasons, it is best not to use high-power electrical appliances, but most students will use high-power electrical appliances in the dormitory. But in general, the use of high-power electrical appliances will not trip. After all, many students are using it, unless your school has poor equipment and unstable voltage. . . Of course, the power is too high, most people use it, and there is also the possibility of tripping and power failure.