11
Installing a Ground Cable
4.3
No.
Cable
Type
Conductor Cross-
Sectional Area
Range
Outer Diameter
1
Ground cable
Single-core outdoor
copper-core cable
10 mm
2
-
2
DC input power cable
(inverter to battery
and battery to
battery)
Common outdoor PV
cable in the industry
4–6 mm
2
5.5–9 mm
3
Signal cable (inverter
to battery and battery
to battery)
Outdoor shielded
twisted pair cable (8
cores)
0.20–0.35 mm
2
6.2–7 mm
Routing Cables Out of the Cable Hole
4.2
Before connecting external
cables, route the cables
through the cable hole to
avoid disconnecting after
installation.
Cut a cable hole based on
the cabling mode, and route
external cables through the
cable hole.
Prepare cables based on site requirements.
•
Ground a ground point of the power control module.
•
Apply silica gel or paint around the ground terminal after the ground cable is connected.
Power control module
