Wiring LEDs Correctly: Series & Parallel Circuits Explained Hopefully those looking for practical information on electrical circuits and wiring LED components found this guide first. It’s likely though, you’ve already read the Wikipedia page about Series and parallel circuits here, maybe a few other Google search results on the subject and are still unclear or wanting more specific information as it pertains to LEDs. Led Christmas Light String Wiring Diagram Collection Led Christmas Light String Wiring Diagram Collection - Collections Of Rivercottagenews Wp Content 2018 08 Wi. Wiring Diagram for Christmas Lights 2017 Led Christmas Light String. Led Christmas Light String Wiring Diagram – Volovetsfo. 3 Wire Christmas Lights Diagram Collection. LEDs for Beginners : 9 Steps (with Pictures) - Instructables LED arrays and wiring schemes can get significantly more complicated - but for the most part, LEDs are pretty simple to work with, and with relatively little knowledge I was able to light them up - all be it if I sent a little too much juice through them towards the end of the experiment.