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Wylex RECSW2S

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This is a 100 Amp 2 pole switch with enclosure to suit meter tails.


After having taken a small sample of the plastic enclosure, and holding it in a pair of pliers, then applying a small cigarette lighter flame.....


the sample burned giving off black acrid smoke and it did not self extinguish.


Should we be concerned?


Z.
Parents
  • 0
    The hob test is not all that hot, only 240C or so maximum if a halogen or ceramic type. Yes, the plastic will melt, but expecting a fire is going a bit far. A piece of paper at this temperature is unlikely to do other than become very dry, ignition needs higher temperatures than this, which is not a lot above the moulding temperature. To remove your melted plastic depends on exactly the hob material, but you have the choice of a solvent (cellulose thinner, Acetone etc, possibly petrol depending on exactly what plastic you have used, do not turn the hob on!) or careful use of a Stanley knife blade which should get almost all away fairly well.

    It is easy to imagine that radiant heat is at a very high temperature, but this may not be the case depending on the rest. See my reference to the UL-V0 test method above, a gas flame and a big bit of plastic, it must self extinguish fairly quickly.
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  • 0
    The hob test is not all that hot, only 240C or so maximum if a halogen or ceramic type. Yes, the plastic will melt, but expecting a fire is going a bit far. A piece of paper at this temperature is unlikely to do other than become very dry, ignition needs higher temperatures than this, which is not a lot above the moulding temperature. To remove your melted plastic depends on exactly the hob material, but you have the choice of a solvent (cellulose thinner, Acetone etc, possibly petrol depending on exactly what plastic you have used, do not turn the hob on!) or careful use of a Stanley knife blade which should get almost all away fairly well.

    It is easy to imagine that radiant heat is at a very high temperature, but this may not be the case depending on the rest. See my reference to the UL-V0 test method above, a gas flame and a big bit of plastic, it must self extinguish fairly quickly.
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