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IEC 60331-12 1st Edition, July 1, 2002
Complete Document
Superseded By: IEC 60331-1
Tests for Electric Cables under Fire Conditions - Circuit Integrity - Part 12: Apparatus - Fire with Shock at a Temperature of at Least 830 Degrees C
Additional Comments: W/D S/S BY IEC 60331-1
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This part of IEC 60331 specifies the test apparatus to be used for testing cables required to maintain circuit integrity when subject to fire and mechanical shock where the test condition is based upon a flame with a controlled heat output corresponding to a temperature of a nominal 850 °C. It is intended for use when testing cables of greater than 20 mm overall diameter.

It also provides, in annex A, the method of verification of the burner and control system used for the test.