While hitting a mob above the rod activates it, hitting the rod directly doesn't work
Channeling trident lightning doesn't emit lighting rod redstone signal
Lightning created by a trident does not create a redstone signal when striking a liggghtning rod.
Channeling Trident / Lighting Rod
No restone output when using channeling trident on lightning rod
channeling lightning don't affect lightning rod
lightning rod problem with channeling
Sideways lightning rods don't power redstone dust