In our last blog, we defined and pointed out some differences between single station and system smoke detection devices. Now let’s turn our attention to what’s involved with the installation of these devices. Labor is usually the biggest cost in installation, so how much labor does it take to install smoke alarms and smoke detectors? [Read More]
Do single station smoke alarms have low frequency sounders?
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NFPA 72 now requires a 520 hz square wave fire alarm signal in smoke detector sounder bases provided for publicly available sleeping areas. The 520 hz tone has been shown as more effective in waking people of a certain age (ahem), deep sleepers or those that may have had a few too many the night [Read More]
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