Dodgy Signals: Keeping Fire Alarms Clear from Electrical Interference

Fire alarms are absolute lifesavers, when the worst happens. We rely on them completely. But like any sensitive electronic gear these days, they face a growing problem: electrical noise, or what the tech heads call Electromagnetic Interference (EMI). So, What Exactly is EM Interference? EMI is any unwanted electrical or magnetic energy that stuffs up […]