Electrical junction box on white wall background. Electrical panel with warning sign.

A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device that instantly breaks an electric circuit to prevent serious harm from an ongoing electric shock.

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圖片庫的A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device that instantly breaks an electric circuit to prevent serious harm from an ongoing electric shock. 圖片 Image 109905790.

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A Residual-current Device (RCD), Or Residual-current Circuit Breaker (RCCB), Is A Device That Instantly Breaks An Electric Circuit To Prevent Serious Harm From An Ongoing Electric Shock. 免版權照片，圖片，畫像及圖片庫. Image 109905790.

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A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device that instantly breaks an electric circuit to prevent serious harm from an ongoing electric shock.

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