A.安裝RCD B.電源線(xiàn)加長(zhǎng) C.戴絕緣手套,穿絕緣鞋 D.掛上標(biāo)示牌
A.額定動(dòng)作電流不大于30mA B.額定動(dòng)作電流不大于50mA C.動(dòng)作時(shí)間不大于0.1S D.動(dòng)作時(shí)不大于0.4S
A.I△n≤30mA B.I△n≤15mA C.t△n≤0.1S D.t△n≤0.5S