John McClellan

Rutgers University study confirms the effectiveness of security systems

I just read the following in a security trade magazine: A study released in 2009 by researchers at Rutgers University concluded that residential burglar alarm systems decrease crime and have a positive effect in the overall crime rate locally. The research, which was funded by the Alarm Industry Research and Educational Foundation (AIREF,) analyzed data

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Smoke Detectors

1)   There are two basic types of smoke detectors available:  The contractor style called an Ionization detector and a Photoelectric smoke detector. 2)   Ionization detectors react to rapid changes in the ions in the air.  They would more correctly be called a flaming fire detector (but that wouldn’t sell the product.)  They do not react

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