What Causes a False Alarm in a Smoke Detector?
fire detector on ceiling image by StarJumper from Fotolia.com jQuery(document).ready(function(){ jQuery(‘#jsArticleStep1 span.image a:first’).attr(‘href’,’http://i.ehow.com/images/a06/9m/a0/causes-false-alarm-smoke-detector_-1.1-800X800.jpg’); }); Smoke detector Smoke detectors are lifesavers, and every home needs at least two. Unfortunately, people die in fires because they disable their detectors after dealing with false alarms. Before replacing your smoke detectors, learn what causes false alarms in the first place. You can also find smoke detectors with nuisance buttons that will silence the alarms without disabling the entire devices. How Smoke Detectors Work Smoke alarms work in two ways. An ionization detector uses an electrical current that detects both invisible and visible smoke particles. A photoelectric detector has a small light beam inside that detects larger, visible smoke particles. Disruption of the electrical current or the light beam causes the alarm to sound. Photoe
