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Tests on electric and optical fibre cables under fire conditions - Part 3-21: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F/R
| 분야 | TC 20 : Electric cables |
|---|---|
| 적용범위 | IEC 60332-3-21:2018 covers category A F/R for methods of test for the assessment of vertical flame spread of vertically-mounted bunched wires or cables, under defined conditions. This document relates only to power cables of conductor cross-sectional area greater than 35 mm2 installed on the test ladder in a spaced configuration on the front and rear to achieve a nominal total volume of non-metallic material of 7 l/m of test sample. The flame application time is 40 min. This method of mounting is intended for special cable designs used in particular installations when required in the cable specification. Category A F/R is not intended for general use. The test is intended for type approval testing. The requirements for the selection of cables for testing are given in Annex A. The flame spread is measured as the extent of damage of the cable sample. This procedure can be used to demonstrate the cable’s ability to limit flame spread. A recommended performance requirement is given in Annex B.^This second edition cancels and replaces the first edition published in 2000. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) adjustments have been made to the title, and elsewhere, to emphasise the standard is applicable to optical fibre cables as well as metallic conductor types; b) details of the way in which cables are mounted on the ladder have been better defined in order to improve repeatability and reproducibility. It has the status of a group safety publication in accordance with IEC Guide 104. |
| 국제분류(ICS)코드 |
13.220.40 : 자재 및 제품의 점화성 및 연소성
29.060.20 : 케이블 |
| 페이지수 | 25 |
| Edition | 2.0 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | IEC 60332-3-21:2018 RLV | Tests on electric and optical fibre cables under fire conditions - Part 3-21: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F/R | 2018-07-13 | 표준 |
| 2 | IEC 60332-3-21:2018 | Tests on electric and optical fibre cables under fire conditions - Part 3-21: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F/R | 2018-07-13 | 표준 |
| 3 | IEC 60332-3-21:2000 | Tests on electric cables under fire conditions - Part 3-21: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F/R | 2000-10-09 | 구판 |
IEC 60332-2:1989 - Tests on electric cables under fire conditions. Part 2: Test on a single small vertical insulated copper wire or cable 상세보기
IEC TS 60332-3:1992 - Tests on electric cables under fire conditions - Part 3: Tests on bunched wires or cables 상세보기
IEC 60332-1:1993 - Tests on electric cables under fire conditions - Part 1: Test on a single vertical insulated wire or cable 상세보기
IEC 60332-1:1993/COR1:1993 - Corrigendum 1 - Tests on electric cables under fire conditions - Part 1: Test on a single vertical insulated wire or cable 상세보기
IEC 60332-1-1:2004 - Tests on electric and optical fibre cables under fire conditions - Part 1-1: Test for vertical flame propagation for a single insulated wire or cable - Apparatus 상세보기
IEC 60332-3-25:2018 - Tests on electric and optical fibre cables under fire conditions - Part 3-25: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category D 상세보기
IEC 60332-3-10:2018 - Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables - Apparatus 상세보기
IEC 60332-3-22:2018 - Tests on electric and optical fibre cables under fire conditions - Part 3-22: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A 상세보기
IEC 60332-3-23:2018 - Tests on electric and optical fibre cables under fire conditions - Part 3-23: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category B 상세보기
IEC 60332-3-24:2018 - Tests on electric and optical fibre cables under fire conditions - Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C 상세보기
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