You can put ferrules on stranded cables like flex where the copper is made up of lots of thin strands. The thin strands are easily damaged when you’re tightening a terminal screw so by adding a ferrule you get a more mechanically durable connection that provides a better electrical connection too.
You can put ferrules on stranded cables like flex where the copper is made up of lots of thin strands. The thin strands are easily damaged when you’re tightening a terminal screw so by adding a ferrule you get a more mechanically durable connection that provides a better electrical connection too.