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 Fire Resistant (Standard IEC 60331)

For circuit integrity all those systems which need to maintain service under fire conditions, there is the IEC 60331 standard where the fire conditions to which the cables are tested is defined, and which to continue in service even if the fire has destroyed the organic parts of same. In the standard, the cable is exposed to a ribbon gas burner for a maximum time of 180 minutes or higher as specified in standard and at a minimum temperature of 750°C or higher as specified in standard, while being subjected every 5 minutes to shocks simulating debris fallout. During the test and at the end of it the cable has to maintain circuit integrity although all of its organic parts have disappeared.
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