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Low Smoke & Fume cable versus P.V.C. cable overloading test. Shed Experiment.

Zoomup

Cor, just look at this........... And P.V.C. is only rated at 70 degrees C. Or is it?

https://www.youtube.com/watch?v=PIX78wJXe3U

I am amazed that neither cable caught fire as such.

Z.

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    High currents through the cable are perhaps not very representative of what happens in a conventional building fire either - in this experiment as soon as the plastic reached melting point it fell away from the source of the heat (the conductor) - in a real fire with the whole space engulfed in fire, the insulation would continue to be heated & burn until its final destruction whether it fell away not.

        - Andy.

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    High currents through the cable are perhaps not very representative of what happens in a conventional building fire either - in this experiment as soon as the plastic reached melting point it fell away from the source of the heat (the conductor) - in a real fire with the whole space engulfed in fire, the insulation would continue to be heated & burn until its final destruction whether it fell away not.

        - Andy.

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