setting off a smoke detector using a vape Can Vape Pens Trigger Smoke Alarms in Buildings or Planes? Can your vape activate smoke detectors? Vuse K 12 Turns to Vape Detectors to Extinguish a Persistent Problem in Schools EdTech Magazine Think vapes are harmless to your smoke alarms? Not always. Vapor clouds from ecigarettes can drift into smoke alarms and trigger false alarms, especially in smaller rooms. Even lighter vapes can