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.
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The surface
Treating the raw materials that reduce the ground resistance around the ground rods.
Ground resistance:
100Ω or less.
Diameter :
300Φ
Higher than 0.75 meter
The height of the ground rod: Higher than 3 meters.
(One meter by minimum)
< Construction of the ground rod >