Dahua DH-SD1A404XB-GNR-W - Indoors

Lightning Proof and Surge Protection 13
Appendix 1.2 Indoors
The yellow and green GND wire or GND screw of the speed dome should be reliably connected
by several strands of copper wire with no less than 25mm²and indoor equipotential GND
terminal.
See Appendix figure 1-2 for indoor installation.
Appendix figure 1-2 Indoor installation