村屋避雷裝置

2009-11-11 7:52 am
請問我點樣check 到村屋有無裝到避雷裝置?

回答 (3)

2009-11-12 12:09 pm
✔ 最佳答案
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.
2009-11-18 4:37 am
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
2009-11-12 6:58 am
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.


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