Dahua SD4E425GB-HNR-A-PV1 - Page 13

2.2.2.2 Indoor
You can use multiple copper cables whose cross-sectional area is not less than 25 mm
2
to connect
the yellow-green grounding cable/grounding screws to the indoor equipotential grounding
terminals.
Figure 2-4 Installing lightning protection devices indoors
Table 2-3 Installing lightning protection devices indoors
No.
Name
1 Yellow-green grounding cable
7