家用和类似用途的插头插座应用广泛，是人们日常生活中最常用的电工产品之一，它给人们的生活带来了方便，但由于其结构简单，生产工艺要求不高，厂家生产水平参差不齐，造成众多产品质量低劣。插头插座质量好坏与人们的生活有着相当紧密的联系，伪劣产品危及消费者的人身... Household and similar plugs and sockets are widely used, is one of the most commonly used electrical products in people’s daily life, it has brought convenience to people’s lives, but because of its simple structure, less demanding production processes, manufacturers with different levels of production Qi, resulting in many poor quality products. Plug and socket quality is good with people’s lives have a very close contact, fake and shoddy products endanger the consumer’s body ...