Smoke alarms & e cigarettes in hotel rooms Fire alarm? Can E cigarettes Set Off Smoke Detectors? SMOKO E Cigarettes That hotel life anyone? Shower caps always come in handy : r Vaping What Do Do Vapes Set Off Smoke Alarms? [Clear Answer Vape Detector For Home Can Vaping Set Off A Smoke Detector? FirefighterNow A pair of hackers found that a vape detector often found in high school bathrooms contained microphonesand security weaknesses that could allow someone to turn it into a secret listening device.