CRAFTBOOK-3439 - Reported by andrewkm

Detailed report can be found here:
https://ecocitycraft.com/forum/threads/hidden-switches-directionalize-redstone-dust.184776/

Comment by me4502

Very much sounds like a Spigot bug.

I could not reproduce this when I tested it last night - CraftBook does not touch redstone dust in any way though. If it was modified by CraftBook toggling a lever, it's either a bug in Spigot or another plugin messing with redstone behaviour.