Connecting Cables; Preparing Cables; Installing The Pe Cable - Huawei SUN2000-6KTL-L1 Quick Manual

3

Connecting Cables

3.1

Preparing Cables

•
Connect cables in accordance with the local installation laws and regulations.
•
Before connecting cables, ensure that the DC switch of the solar inverter and all the switches
connected to it are set to OFF. Otherwise, the high voltage produced by the solar inverter
may cause electric shocks.
Prepare cables based on site requirements.
No. Cable
Protective earthing
1
(PE) cable
AC output power
2
cable
DC input power
cable and
3
(optional) battery
cable
(Optional) Signal
4
cable
3.2

Installing the PE Cable

Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks may
occur.
•
The PE point at the AC output port is used only as a PE equipotential point, and cannot
substitute for the PE point on the enclosure.
•
Silica gel or paint be applied around the ground terminal after the PE cable is connected.
•
It is recommended that the right ground point be used for grounding. The other ground
point is reserved.
Type
Single-core outdoor
copper cable
Two-core (L and N) or
three-core (L, N, and
PE) outdoor copper
cable
Standard outdoor PV
cable in the industry
Outdoor shielded
twisted pair cable
Conductor Cross-
Sectional Area Range
2
4–10 mm
2
4–6 mm
2
4–6 mm
When cables are
crimped: 0.20–0.35
2
mm
When cables are not
crimped: 0.20–1 mm
Ground
point
4
Outer Diameter
N/A
10–21 mm
5.5–9 mm
four-hole rubber

plug: 4–8 mm
two-hole rubber

plug: 8–11 mm
2