村屋避雷裝置

避雷裝置應該係好顯眼, 唔會係隱敝式, 多數係避雷針設計, 你應該見到屋外好似定海神針嘅嘢. 同時有避雷裝置就一定有 grounding (水線), 留心睇吓如果有就一定會見到.

唔使check,一定無,因為無需要,村屋一般只有十多米高,都未高過一支燈柱,就算有雷都先打燈柱,所以無需要避雷裝置

If I Remember That,
Use A Earth (Fault) Loop Impedance Meter To Check,
Connect One Lead To 避雷裝置And Another Lead To Earth.