der36 wrote:
插座燒黑黑的真的不用擔心嗎
試問:那是怎麽了
純個人想了解
黑黑有二種:一是過熱,把外圍的塑膠燒焦了,常見是接觸不良,二是髒了,常見是油污過多沒清,這些都是換個插座就好了,跟漏電一點關係都沒有。
Ace.H wrote:
它是測火線(出)和零線(回)的電流差,應該是可以。

https://en.wikipedia.org/wiki/Residual-current_device
……Automatic disconnection and a measure of shock protection is therefore still provided even if the earth wiring of the installation is damaged or incomplete.……
