For example, my power consumption is 20A, can I use 3*2.5mm2 copper core RVV cable?
RVV is not a communications cable!20A current, copper wire should be 6.0mm - the.
For safety and voltage reduction, use 4mm2 copper wire.
The national standard 50217-94 requirements for RVV copper core 3*2.5mm2 safety 19A, 3*4mm2 safety 25A.
