This question already has an answer here:
I'm currently looking into the how redstone works in Minecraft and I stumbled across this behaviour and I can't explain why this works.
OLO LOL | |
Right so if I power the redstone wire, all three Lamps light up although there is no real connection to them. This however won't light the Lamp:
-+ L| O|
I read through the Minecraft wiki but there was nothing explaining this. How does this work?