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质量低劣的插头插座会危及人身和财产安全,因而如何判断其质量优劣至关重要。那么,如何判断插头插座质量的优劣呢? 一、从标识上判断:由于插头插座涉及用电安全,国家实行严格的生产许可证以及安全认证制度。凡正规厂家生产的插头插座,其产品上均有生产许可证编号,安全认证编号及长城标志,同时标明电压、
Poor quality plugs and jacks endanger the personal and property safety, so how to judge the quality of its pros and cons is essential. So, how to determine the pros and cons of plugs and sockets? First, judging from the logo: As plugs and sockets involving electrical safety, the state implemented a rigorous production license and safety certification system. Where the regular manufacturer of plugs and sockets, the product has a production license number, safety certification number and the Great Wall sign, at the same time indicate the voltage,