Splicing.
This...
...has turned into this...
...and it all works! (So far!)
These quick splice crimps (from CPC of course) have been great - they clip onto the main bus wire, the dropper wire slots into the second hole and butts up against an end stop, then the blade contact is crimped across both conductors using pliers. The insulating lid is then folded down and clips into place. It can get a bit tough on the hands after 50 splices as you need to e