当你购买灯具或烤面包机时,“UL认证”标志提供了一个保证,它确保该电器可以和你家墙上的插座相匹配,并且兼容你家中的整个电气系统。
When you purchase a lamp or a toaster, the "UL Certified" mark provides assurance that the appliance will plug into the socket in your wall and work with your home's electrical system.
您可以使用备用插座,测试不同的分立元件值。只须维持规范的是在电路兼容,以及完成这项工作。
You can use spare sockets to try out different discrete component values. Just keep the ones that are spec-compatible in the circuit, and get the job done.
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