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消费者在选购电开水器和液体加热器时应注意以下几点：1、选购时应确认产品是否有长城认证标志，获得长城认证标志产品的质量是安全可靠的。2、查看产品标牌和使用说明书。产品标牌应安装牢固，各指标均用文字和符号标明。使用说明书中应对产品的安装、电源连接、特别是接地方
Consumers should pay attention to the following points when purchasing electric water heater and liquid heater: 1, When purchasing, it should be confirmed whether the product has the Great Wall certification mark. The quality of the Great Wall certification mark product is safe and reliable. 2, view the product signs and instructions. Product signs should be installed firmly, the indicators are marked with the words and symbols. User manual should deal with product installation, power connection, especially the grounding