Regarding the basic requirements for lightning grounding, the correct statement is: there should be a separate grounding electrode, the grounding resistance should be low, and the down conductor between the air terminal and the grounding electrode should be as short and thick as possible.
关于对防雷接地基本要求的正确说法：要有单独的接地体，接地电阻要小，接闪器到接地体之间的引下线应尽量短而粗。
| 正面 | LK0998 关于对防雷接地基本要求的正确说法： |
|---|---|
| 背面 | 要有单独的接地体，接地电阻要小，接闪器到接地体之间的引下线应尽量短而粗 |
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