|Posted by More on December 31, 2001 at 18:55:09:|
|In response to Re: venting bathroom fan|
Permits are not issued for do it yourself connections venting bathroom fans to other venting structures, and especially not to the powered ridge vent fans. The reason might not be totally obvious, until you realize that electric powered fans in ridge vents are not electrically sealed to be rated as explosion proof, and therefore generate sparks at 60 cycles that are sometimes sufficient to ignite bathroom gas, sewer vented gas, hydrogenated oxidizers, hydrogen peroxides, hair coloring and permanent affixing chemicals, tile cleaning ammonias and clorines, especially when those gas vapors are dried or heated in the enclosed bathroom type usual environment.
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