IEC 60331-1 PDF

IEC 60331-1 PDF

Purchase your copy of IEC as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. IEC Tests for electric cables under fire conditions – Circuit integrity – Part 1: Test method for fire with shock at a temperature of at least °C for. IEC / IEC Test method for fire with shock. Test set-up The cable is secured onto a positioning board and a flame is applied.

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Result of the test is considered positive if at that time will not be considered a short circuit in the circuit being researched.

Fire Testing

Preview Abstract IEC The test sample provides cable fragment length at least mm. In the 15 minutes period after the flame application, a maximum attenuation is also recorded.

Procedures and requirements — Optic Fiber Cables. It is divided in following parts that describe the test modes, the conditions, and the equipment to use.

IEC / IEC Test method for fire with shock

Tests for electric cables for fire conditions and shock- Circuit integrity. The following test report forms are related: IEC ed 1. TC 20 – Electric cables rss. Bent wire on the U-shaped with a adius equal to the smallest permissible by the manufacturer, is mounted on a metal assay ladder.

Related publications IEC 603331-1 The maximum change in attenuation a change from zero is recorded during the burner application period. Do you need a multi-user copy? Annex A provides the method of verification of the burner and control system used for the test. The time of the fire is minutes. Result of the test is considered positive if at that time will not be considered a short circuit in the circuit being tested.


During the test, to the wire cores of cable a voltage of the nominal value is applied for telecommunication cables equal 60331- V60313-1 creating a closed electric circuit.

Procedures and requirements — Cables of rated voltage up to and including 0. Details for the specific point of failure, continuity checking arrangement, test sample, test procedure and test report relevant to metallic data and telecom cables and optical 60331–1 cables are not given by 603331-1 It is intended for use when testing cables of greater than 20 mm overall diameter.

Circuit insulation Integrity in accordance with IEC IEC specifies tests for electric cable for circuit integrity under fire conditions. Procedures and requirements — Electric Data Cables.

Cables of smaller diameter are intended to be tested using the apparatus, procedure and requirements of IEC Procedures and requirements for fire with shock — Cables of rated voltage up to and including 0.

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Circuit (insulation) Integrity in accordance with IEC |FAQ

It constitutes a technical revision. During the study, through all the cable wires is passed current with rated voltage and these cables are subjected to fire during min, where fire source is a gas burner set in ie with standards, as well the echanical shock of the 5 minutes interval.


Requirements are stated for an identification that may optionally be marked on the cable to signify compliance with this document. The significant technical changes with respect to the previous edition are as follows: This second edition cancels and replaces the first edition published in The optical power meter is zeroed and the changes in attenuation during the minutes burner application period are monitored. IEC details a method to assess the circuit integrity of optical fiber cables. Our prices are in Swiss francs CHF.

Result of 603331-1 test is considered positive if at that time will not e considered a short circuit in the circuit being tested. To better simulate the real fire conditions, with mechanical stresses due to the fall of materials and with the presence of water, the testing conditions have been modified by changing the duration, increasing the temperature of the flame and by adding mechanical stresses and water spray.