更新1:
明白,問多一樣,我個鉗錶裏面有個功能叫live wire test有個閃電咁o既圖形,係用o黎做咩同點用架?謝謝回答
更新2:
Model:DT3266E 有個閃電咁o既圖,佢個說明咁寫: LIVE WIRE TEST Clasp black test lead link line,put red test lead to measured faucet.Don't brush up against the tip of test lead for your safety. If the wire under test is live,the LIGHT on meter will light. And LCD shows faradism voltage.
更新3:
我唔係好明佢講o既黑棒和紅棒接到那裡?