xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 19 days agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.message-squaremessage-square17linkfedilinkarrow-up193arrow-down15
arrow-up188arrow-down1message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 19 days agomessage-square17linkfedilink
minus-squarekboos1@lemmy.worldlinkfedilinkarrow-up4·edit-217 days agoHome smoke detector, yes. Fire alarm, no.
Home smoke detector, yes. Fire alarm, no.