Vivotek MD9584-HF3 5MP Outdoor Network Mobile Dome Camera with Night Vision, Heater & 3.6mm Lens - Manual (Page 13)

VIVOTEK
User's Manual - 13
Do not loosen.
Grounding M8
Grounding M6
Optional
6.Connect a ground wire to the bottom of the camera.
IMPORTANT:
Below are things to notice connecting a ground wire:
1. The minimum ground screw type is M8 screw.
2. The minimum ground wire gauge is 18AWG.
3. Use green/yellow (green yellow stripe) ground wires.
4. Use a knurled washer for securing the grounding srew.