The impactor which is set at the prescribed drop height, is dropped 3 times onto the specimen. Mechanical Test Method Impact test: The cable specimen is conditioned, placed on the test apparatus anvil, and connected to the circuit integrity monitoring system. The cable is deemed to have achieved the desired degree of protection when it has been exposed to the fire test for the appropriate time and has sustained the effects of the water spray.
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Water Test Method After the cable specimen has passed the fire test, it is removed from the furnace and exposed to a water spray for 3 minutes.ĬAN LOVE HAPPEN TWICE BY RAVINDER SINGH PDF AS/NZS – Classification of the Fire and Mechanical Performance of Wiring Sy The cable is deemed to have passed when the specimen has been exposed to the test for the appropriate minimum time requested by the submitter without bzs failure. Please login or register.Ī Test Method Cable specimens are placed in a furnace which is programmed to follow a standard time-temperature curve, in order to determine the ability of the cable to maintain circuit integrity under fire conditions. Austest Laboratories is pleased to announce further expansion of its capabilities to include mechanical testing of cables and wiring elements in. Download scientific diagram | Standard Time-Temperature Curve for AS/NZS from publication: CERAMIFYING INSULATION MATERIALS FOR FIRE. AS/NZS – Classification of the Fire and Mechanical Performance of Wiring System Elements This test is conducted in three parts: First Test.