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随着人民生活水平的不断提高,住户各式各样家用电器不断增加。在住宅建筑中,许多家用电器的外壳需要接地,如电冰箱、洗衣机、电风扇等金属外壳都需要接地。目前,许多住宅(包括新建住宅及老住宅)没有安装单相带接地插座,这是很危险的。据我们所知,由于家用电器金属外壳没有接地,或接地不良,每年都有人发生触电事故,甚
With the continuous improvement of the people’s living standards, household appliances of all kinds are increasing. In residential buildings, the housing of many household appliances needs to be grounded, and metal housings such as refrigerators, washing machines, and electric fans need to be grounded. Currently, many homes (including new homes and old homes) do not have single-phase earthed outlets installed. This is very dangerous. As far as we know, due to the fact that the metal housing of the household appliances is not grounded or is not grounded properly, people have electric shock accidents every year.