xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 1 month agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.message-squaremessage-square17fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 1 month agomessage-square17fedilink
minus-squarekboos1@lemmy.worldlinkfedilinkarrow-up0·1 month agoHome smoke detector yes, fire alarm no.
Home smoke detector yes, fire alarm no.