V2EX rcd

RCD

定义 Definition

RCDResidual Current Device 的缩写,常译为剩余电流保护器/漏电保护器。它通过检测电路中进出电流的差值(漏电)来快速断电,以降低触电与电气火灾风险。(在不同语境中也可能指其他缩写含义。)

例句 Examples

Please test the RCD before using the power tools.
使用电动工具前请测试漏电保护器(RCD)。

Because moisture increases the risk of electric shock, the bathroom circuit must be protected by an RCD that trips quickly.
由于潮湿会增加触电风险,浴室回路必须由能快速跳闸的漏电保护器(RCD)进行保护。

发音 Pronunciation

/r si di/

词源 Etymology

RCD 来自英语短语 Residual Current Deviceresidual(剩余的)+ current(电流)+ device(装置)。其核心概念是检测“剩余/差额电流”(通常由漏电导致)并在危险发生前切断电源。

相关词 Related Words

文学与文本出处 Literary Works

  • *BS 7671: Requirements for Electrical Installations (IET Wiring Regulations)*(英国电气安装规范中常见 RCD 相关条款)
  • National Electrical Code (NEC) Handbook(美国电气规范解读资料中常讨论与 RCD/类似保护装置相关内容)
  • The Electrician’s Guide to the Building Regulations(电工与建筑法规类实用书籍中常出现 RCD 用法与要求)
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