6
3-2 Cables Selection
AC Cable
No.
Description
Remark
A
Protective layer
External diameter of the cable: 37~44 mm
B
Length of insulation to be
stripped off
24 mm
C Insulation
layer
-
D
Cross section of AC cables
Range: 16-50mm
2
;
DC Cables
Cross-sectional
area
Cable
External
diameter
Max.
withstand
voltage
Max. input current for
each PV string
4~6mm
2
12AWG~10AWG
6~9mm 1100V
12A
Second PE Cable
The cross-sectional area of the second PE cable shall be exactly the same with
that of the PE cable of the AC cable.
RS485 communication cables
Shielded twisted pair cables or Shielded twisted pair Ethernet cables.