external cctv camera installation
1Installing the lightening conductor and grounding system. Separate grounding system.
2Installing the camera and grounding system.
Grounding wire to a good earth ground (100Ω or less. ground resistance.) (Class 3)
3The class 3. (Camera grounding)
Separate grounding system from the lightening conductor.
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| The surface | Diameter : |
| 300Φ |
| Treating the raw materials that reduce the | Higher than 0.75 meter |
| ground resistance around the ground rods. | The height of the ground rod: |
| Ground resistance: | Higher than 3 meters. |
| 100Ω or less. | (One meter by maximum.) |