BS6853 Cable testing- BS6853 Table 13/14
1. Cable testing for BS6853:1999-Standard name
BS6853:1999-Code of practice for fire precautions in the design and construction of passenger carrying trains.
As the cable flame spread and burning rate of destruction of the length of the combustion smoke density (light penetration) and the burning of hazardous toxic gas escape on the staff of life play a very important influence. In general, testing cables through these areas to assess。
2. Cable testing for BS6853:1999-test item and standard
Cable according to end-use（Interior cables -BS6853 Table 13、Exterior cables-BS6853 Table 14）carry out testing and evaluation：
BS 6853 Annex B: Toxicity
BS 6853 Annex D: Smoke density
BS EN 4066/BS 4066-3: Tests on electric cables under fire conditions. Tests on bunched wires or cables.
3. BS6853 Table 13(Interior cables) requirement
|
Test method |
Parameter |
Vehicle category |
||
|
Ⅰa |
Ⅰb |
Ⅱ |
||
|
BS4066-3 |
Burn length（max） |
2.5m |
2.5m |
2.5m |
|
BS6853 Annex D Cable test |
A0(ON) A0(OFF) |
See note 1 See note 1 |
Ⅰa×1.6 Ⅰa×1.6 |
Ⅰa×3.6 Ⅰa×3.6 |
|
BS6853 Annex B |
R(max) |
1.0 |
1.6 |
3.6 |
|
Note 1：the maximum permissible values of A0(ON) and A0(OFF) for any particular cable are calculated from the following expressions by inserting the value for the nominal cable diameter, d, measured in mm. |
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4. Cable testing standard for BS6853—other standard
BS 4066-3: Tests on electric cables under fire conditions. Tests on bunched wires or cables.
BS 6853 Annex B: Toxicity
BS 6853 Annex D: Smoke density
BS EN 50266-2-4: Common test methods for cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables - Procedures - Category C (cable diameter ≥12mm)
BS EN 50266-2-5: Common test methods for cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables - Procedures - Category D (cable diameter ＜12mm)
BS EN 50306: Railway applications-Railway rolling stock cables having special fire performance-thin wall
BS EN 50305: Railway applications-Railway rolling stock cables having special fire performance-test methods
BS EN 50264: Railway applications—Railway rolling stock power and control cables having special fire performance
BS EN 60332-3-24:2009 Tests on electric and optical fibre cable under fire conditions-Part 3-25: Test for vertical flame spread of vertically mounted bunched wires or cables- Category C
BS EN 60332-3-24/BS EN 60332-3-25: Tests on electric and optical fibre cable under fire conditions-Part 3-25: Test for vertical flame spread of vertically mounted bunched wires or cables- Category D. It is identical to IEC 60332-3-25:2000, incorporating amendment 1:2008. It supersedes BS EN 50266-2-5:2001 which is withdrawn.
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