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CENELEC
EN 50268-2:1999

EN 50268-2:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Common test methods for cables under fire conditions - Measurement of smoke density of cables burning under defined conditions - Part 2: Procedure

Published date

23-09-1999

Publisher

European Committee for Standards - Electrical

Superseded date

01-08-2005

Superseded by

EN 61034-2:2005/A1:2013

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Foreword
1 Scope
2 Normative references
3 Definitions
4 Test apparatus
5 Test assembly
      5.1 Cable test pieces
      5.2 Cable selection and assembly
      5.3 Positioning of test pieces
6 Test procedure
7 Evaluation of test results
8 Retest procedure
Annex A (informative) Guidance on calculation of absorbance
Annex B (informative) Recommended performance requirements

EN 50268 specifies a method of test for measurement of smoke density of cables burning under defined conditions. It is suitable for electric insulated conductor or cable, or optical cables. Part 1 specifies the apparatus and Part 2 specifies procedure. This standard includes an Informative Annex of recommended requirements for compliance. NOTE: Experience has shown that the test protocol is not suitable for some cables that exceed 70 mm overall diameter. In such cases the manufacturer should be consulted

Committee
CLC/TC 20
DevelopmentNote
Supersedes HD 606.2. (03/2004)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy
Supersedes

HD 21.1 : 200S4 CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING THERMOPLASTIC INSULATION - GENERAL REQUIREMENTS
CEI UNI EN 45510-2-8 : 2006 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-8: ELECTRICAL EQUIPMENT - POWER CABLES
I.S. EN 50306-4:2002 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 4: MULTICORE AND MULTIPAIR CABLE STANDARD WALL SHEATHED
EN 45510-2-8 : 2004 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-8: ELECTRICAL EQUIPMENT - POWER CABLES
HD 22-1 : 200S4 CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING THERMOSETTING INSULATION - GENERAL REQUIREMENTS
EN 50264-2:2002 Railway applications - Railway rolling stock cables having special fire performance - Standard wall - Part 2: Single core cables
04/19990095 DC : 0 BS EN 45545-2 - RAILWAY APPLICATIONS - FIRE PROTECTION ON RAILWAY VEHICLES - PART 2: REQUIREMENTS FOR FIRE BEHAVIOUR OF MATERIALS AND COMPONENTS
01/206396 DC : DRAFT SEP 2001 PRHD 21.14 S1 - CABLES OF RATED VOLTAGE UP TO AND INCLUDING 450/750 V AND HAVING THERMOPLASTIC INSULATION - PART 14: FLEXIBLE CABLES (CORDS), INSULATED AND SHEATHED WITH HALOGEN-FREE THERMOPLASTIC COMPOUNDS
05/30133180 DC : 0 EN 50382-1 - RAILWAY APPLICATIONS - HIGH TEMPERATURE POWER CABLES FOR RAILWAY ROLLING STOCK AND HAVING SPECIAL FIRE PERFORMANCE - PART 1: GENERAL REQUIREMENTS
05/30137080 DC : 0 EN 50264-2-2 - RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK POWER AND CONTROL CABLES HAVING SPECIAL FIRE PERFORMANCE - PART 2-2: CABLES WITH CROSSLINKED ELASTOMERIC INSULATON - MULTICORE CABLES
CEI EN 50306-4 : 2003 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 4: MULTICORE AND MULTIPAIR CABLES STANDARD WALL SHEATHED
05/30137085 DC : 0 EN 50264-3-1 - RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK POWER AND CONTROL CABLES HAVING SPECIAL FIRE PERFORMANCE - PART 3-1: CABLES WITH CROSSLINKED ELASTOMERIC INSULATION WITH REDUCED DIMENSIONS - SINGLE CORE CABLES
BS EN 50306-2:2002 Railway applications. Railway rolling stock cables having special fire performance. Thin wall Single core cables
I.S. EN 50264-2:2002 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - STANDARD WALL - PART 2: SINGLE CORE CABLES
RSSB GK/GN0602 : ISSUE 1 GUIDANCE ON TRAIN ROOFTOP ANTENNA POSITIONING
I.S. HD 22-1:2002 CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING CROSS-LINKED INSULATION - PART 1: GENERAL REQUIREMENTS
EN 50306-1:2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 1: General requirements
BS EN 50306-1:2002 Railway applications. Railway rolling stock cables having special fire performance. Thin wall General requirements
CEI EN 50306-2 : 2003 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 2: SINGLE CORE CABLES
BS EN 50264-2:2002 Railway applications. Railway rolling stock cables having special fire performance. Standard wall Single core cables
EN 45510-2-8:2004 Guide for procurement of power station equipment - Part 2-8: Electrical equipment - Power cables
CEI EN 50306-3 : 2003 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 3: SINGLE CORE AND MULTICORE CABLES (PAIRS, TRIPLES AND QUADS) SCREENED AND THIN WALL SHEATHED
BS EN 50264-3:2002 Railway applications. Railway rolling stock cables having special fire performance. Standard wall Multicore cables
BS EN 45510-2-8:2004 Guide for procurement of power station equipment Electrical equipment - Power cables
05/30137088 DC : 0 EN 50264-3-2 - RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK POWER AND CONTROL CABLES HAVING SPECIAL FIRE PERFORMANCE - PART 3-2: CABLES WITH CROSSLINKED ELASTOMERIC INSULATON WITH REDUCED DIMENSIONS - MULTICORE CABLES
I.S. HD 21-1:2002 POLYVINYL CHLORIDE INSULATED CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V - PART 1: GENERAL REQUIREMENTS
CEI EN 50306-1 : 2003 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 1: GENERAL REQUIREMENTS
05/30136249 DC : 0 EN 50264-1 - RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK POWER AND CONTROL CABLES HAVING SPECIAL FIRE PERFORMANCE - PART 1: GENERAL REQUIREMENTS
BS EN 50306-4:2002 Railway applications. Railway rolling stock cables having special fire performance. Thin wall Multicore and multipair cables standard wall sheathed
05/30133183 DC : 0 EN 50382-2 - RAILWAY APPLICATIONS - HIGH TEMPERATURE POWER CABLES FOR RAILWAY ROLLING STOCK AND HAVING SPECIAL FIRE PERFORMANCE - PART 2: SINGLE CORE SILICONE RUBBER INSULATED CABLES FOR 120 DEGREES C OR 150 DEGREE C
01/207832 DC : DRAFT NOV 2001 PRHD 21.1 S4 - CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING THERMOPLASTIC INSULATION - PART 1: GENERAL REQUIREMENTS
I.S. HD 21-2:1998 POLYVINYL CHLORIDE INSULATED CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V - PART 2: TEST METHODS
I.S. EN 50306-2:2002 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 2: SINGLE CORE CABLES
I.S. EN 50306-1:2002 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 1: GENERAL REQUIREMENTS
EN 50306-2:2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 2: Single core cables
EN 50306-3:2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 3: Single core and multicore cables (pairs, triples and quads) screened and thin wall sheathed
EN 50306-4:2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 4: Multicore and multipair cables standard wall sheathed
I.S. EN 50264-3:2002 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - STANDARD WALL - PART 3: MULTICORE CABLES
I.S. EN 45510-2-8:2004 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-8: ELECTRICAL EQUIPMENT - POWER CABLES
01/207833 DC : DRAFT NOV 2001 PRHD 22.1 S4 - CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING THERMOSETTING INSULATION - PART 1: GENERAL REQUIREMENTS
05/30136253 DC : 0 EN 50264-2-1 - RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK POWER AND CONTROL CABLES HAVING SPECIAL FIRE PERFORMANCE - PART 2-1: CABLES WITH CROSSLINKED ELASTOMERIC INSULATION - SINGLE CORE CABLES
BS EN 50306-3:2002 Railway applications. Railway rolling stock cables having special fire performance. Thin wall Single core and multicore cables (pairs, triples and quads) screened and thin wall sheathed
I.S. EN 50306-3:2002 RAILWAY APPLICATIONS - RAILWAY ROLLING STOCK CABLES HAVING SPECIAL FIRE PERFORMANCE - THIN WALL - PART 3: SINGLE CORE AND MULTICORE CABLES (PAIRS, TRIPLES AND QUADS) SCREENED AND THIN WALL SHEATHED
HD 22.2 S3:1997/A1:2002 CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING THERMOSETTING INSULATION - TEST METHODS
HD 21-2 : S3 AMD 1 2002 CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V AND HAVING THERMOPLASTIC INSULATION - TEST METHODS
EN 50264-3:2002 Railway applications - Railway rolling stock cables having special fire performance - Standard wall - Part 3: Multicore cables

EN 50268-1:1999 Common test methods for cables under fire conditions - Measurement of smoke density of cables burning under defined conditions - Part 1: Apparatus
EN 60695-4:2012 Fire hazard testing - Part 4: Terminology concerning fire tests for electrotechnical products

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