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)
3Class 3 camera grounding
Separate grounding system from the lightening conductor.
➧
| 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 minimum) |