The Sygonix SY-6407666 is a solar extension connector set, featuring a 4 mm² cable with a length of 2 metres. It is designed to facilitate easy and secure solar panel connections. Common applications include extending solar power cable lengths for residential or commercial solar energy systems. https://elecena.pl/product/28411074/sygonix-sy-6407666-solar-extension-cable-4-mm-xb2-2-m-set-of-2 2025-04-14 https://elecena.pl/product/28411074/sygonix-sy-6407666-solar-extension-cable-4-mm-xb2-2-m-set-of-2 2026-07-25