I've found plenty on the topic of shortening C9 LED Christmas Lights, but have not found anything about lengthening a string. I don't want to add any additional bulbs, but rather add some additional wire to transition between areas that I don't want lights (between windows, gutter/facia transitions, etc.).
I plan using the same wire (22 AWG) and the longest run would be about 10' of additional wire on any given strand. Light strands being used are the EcoSmart 50-Light and EcoSmart 100-Light LED Multi-Color C9 Light Set from Home Depot.
Any problems with this? Thanks in advance.