Do Vape Trigger Smoke Detector Can E cigarettes Set Off Smoke Detectors? SMOKO E Cigarettes 3 Ways to Cover a Smoke Detector While Cooking or Showering Can Vape Trigger Fire Alarm Vape Sets Off Fire Alarm: How Do Vape Detectors Work? 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.