Thanks for that!
i manged to get the following,
Required Cable Size 1.5 mm
Voltage Drop 3.99 Volts.
Percentage Drop 1.7%
Current Load 1.00 Amps
Max Cable Load* 23.0 Amps
There is any harm in running a 2.5mm cable?
Installation is (40w x 8 lights) underground, and 85m...