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Paul Lapierre avatar image
Paul Lapierre asked

Fire stop DC arcs

I was reading another post here about a fire caused by improper ferrule installation and subsequent failure and fire.


Wanting to minimize this from happening, I wonder if there is any value of sealing DC connections with a fire retardant putty or sealant (fire stop). If this material is easily removed (ie putty) we could check connections periodically and "re-putty"


Would this offer any extra protection from DC arc fires?


It seems it would if this was oxygen driven but not sure if it is. I was able to find something via "Google" suggesting this may help but nothing definitive.


Does anyone have any experience/comments ?

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nesswill avatar image nesswill commented ·
What i do is have a ruuvi tag attached to all my critical parts as most but not all are caused by high resistance (poorly installed equipment or connection's) a slowly rising temperature or a sudden jump could indicate a problem and hopefully you can take action before something irreversible happens .


Other of course might have better ideas and evey day is a school day.

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