1:5:10:365 EcoTip Blog

March 3, 2008

:063 Photoelectric Smoke Detectors


Suggested Review – none

1:5:10:063 Tip: There are two types of smoke detectors that are commonly used. Ionization smoke detectors contain a radioactive waste product from nuclear power generation. The radioactive material is shielded, but presents a disposal problem. Photoelectric smoke detectors don’t have radioactive material and studies have shown they are more reliable, especially in smokey fires.


Additional Information

Here’s a good article in Mother Earth News that discusses the advantages and disadvantages.



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