xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 5 days agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.message-squaremessage-square17linkfedilinkarrow-up194
arrow-up194message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 5 days agomessage-square17linkfedilink
If you lick the wires first.