Description
Solar panel are the source of direct current (dc). It is strongly advisable to use dc wire for connecting solar panels with inverter or charge controller. It increases efficiency and works in outdoor condition as it is UV protected.
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How to choose DC wire Size ?
No. of Panels
Amps.
Wire Size
2 (100 - 550 watt)
20 amps
4 sq mm.
3 (100 - 550 watt)
30 amps
6 sq. mm
6 (100 - 550 watt)
50 amps
10 sq. mm