SPECIAL TECHNICAL SPECIFICATION

FOR SAFETY CABLES AGAINST FIRE

WITHIN THE SCOPE OF

CPR (305/2011 CONSTRUCTION PRODUCTS REGULATION)

  1. This specification shall cover related details of producing, installation, market surveillance, inspection and procurement for safety cables against fire within the scope of CPR.
  1. Main referenced standards are defined inArticle34. The most recent version of referenced standards shall be used.
  1. Requirement of the standards related within CPR shall be applied for safety cables against fire within the scope of CPR.
  1. Classification of reaction to fire performance of power, control and communication cables (including fibre optic cables) shall be done in accordance with the requirements of EN 13501-6 standard.
  1. EN 13501-6 Table-1 related to classification of cables according to reaction to fire performance is presented below.

Class / Test Methods / Classification Criteria / Additional Criteria
Aca / EN ISO 1716 / PCS ≤ 2,0 MJ/kg (1)
B1ca / EN 50399 (30 kW flame source )
And / FS ≤ 1,75 m and
THR1200s ≤ 10 MJ and
Highest HRR ≤ 20 kW and
FIGRA ≤ 120 Ws-1 / Smoke Production (2,5) and Flaming Droplets (3) and Acidity (4)
EN 60332-1-2 / H ≤ 425 mm
B2ca / EN 50399 (20,5 kW flame source )
And / FS ≤ 1,5 m; and
THR1200s ≤ 15 MJ; and
Highest HRR ≤ 30 kW; and
FIGRA ≤ 150 Ws-1 / Smoke Production (2,5) and Flaming Droplets(3) and Acidity (4)
EN 60332-1-2 / H ≤ 425 mm
Cca / EN 50399 (20,5 kW flame source)
and / FS ≤ 2,0 m; and
THR1200s ≤ 30 MJ; and
Highest HRR ≤ 60 kW; and
FIGRA ≤ 300 Ws-1 / Smoke Production (2,5) and Flaming Droplets(3) and Acidity (4)
EN 60332-1-2 / H ≤ 425 mm
Dca / EN 50399 (20,5 kW flame source)
and / THR1200s ≤ 70 MJ; and
Highest HRR ≤ 400 kW; and
FIGRA ≤ 1 300 Ws-1 / Smoke Production (2,5) and Flaming Droplets(3) and Acidity (4)
EN 60332-1-2 / H ≤ 425 mm
Eca / EN 60332-1-2 / H ≤ 425 mm
Fca / No performance determined.
(1) For the product as a whole, excluding metallic materials, and for any external component (i.e.sheath) of the product.
(2)EN 61034-2 Smoke Production
s1: TSP 1200s ≤ 50 m2 and Highest SPR(Peak Smoke Production rate) ≤ 0.25 m2/s
s1a: EN 61034-2 ≥ % 80 light transmittance and s1
s1b: EN 61034-2 ≥ % 60 < % 80 light transmittance and ve s1
s2: TSP1200s ≤ 400 m2and Highest SPR ≤ 1,5 m2/s
s3: Not s1 and s2
(3)EN 50399Flaming Droplets
d0: No flaming droplets/particles within 1200 s
d1: No flaming droplets/particles persisting longer than 10 s within 1200 s
d2: Not d0 and d1
(4) EN 60754-2 Acidity
a1: conductivity < 2,5 µS/mm and pH > 4.3;
a2: conductivity < 10 µS/mm and pH > 4.3;
a3: Not a1 and a2 Description = No performance determined.
(5) The smoke class declared for class B1ca cables shall originate from the test according to EN 50399 (30 kW flame source)
(6) The smoke class declared for class B2ca, Cca Dca cables shall originate from the test according to EN 50399 (20,5 kW flame source)
  1. “Test methods of classification of reaction to fire” shall be in accordance with the requirements of EN 50575 Table-1 for cables in Aca, B1ca, B2ca, Cca, Dca, Eca, Fca reaction to fire performance classes.

Class / Test Method
EN ISO 1716 / EN 50399a / EN60332-1-2 / EN 61034-2c / EN 60754-2c,d
Aca / X / - / - / - / -
B1ca / - / Xb / X / X / X
B2ca / - / X / X / X / X
Cca / - / X / X / X / X
Dca / - / X / X / X / X
Eca / - / - / X / - / -
Fca / No performance determined.
a) EN 50399 contains all the information previously referred to as FIPEC20 Scenario 1 and FIPEC20 Scenario 2.
b) Special conditions of test apply in EN 50399 to Class B1ca.
c) Additional classification tests.
d) EN 60754-2 contains all the information previously contained in EN 50267-2-3.

Test methods,assemblies, measuring, realizing the test and reporting of classification of reaction to fire of the cables in B1ca, B2ca, Cca, Dca, Eca reaction to fire performance classes shall be in accordance with the requirements of EN 50399 standard.

Type test reports that shall be done according to EN ISO 1716, EN 50339, EN 60332-1-2, EN 61034-2, EN 60754-2 standards shall be submitted to the employer’s inspection authority at the bidding/material approval stage.

  1. According to (AVCP) ” Assessment and Verification of Constancy of Performance” system that is defined on the EN 50575 standard,

- System 1+ for Aca, B1ca, B2ca, Cca fire reaction class cables,

- System 3 for Dca, Eca fire reaction class cables,

- System 4 for Fca fire reaction class cables,

Shall be documented according to requirements within EN 50575.

8. For the cables within system 1+,

-Initial Type Test,

-Determination of the product-type on the basis of type testing,

-Initial inspection of the manufacturing plant and of factory production control (FPC),

-Continuous surveillance, assessment of factory production control (FPC),

-Audit-testing of samples taken before placing the product on the market,

Shall be done by “Notified Certification Body”

-Factory production control (FPC) and product sample tests shall be done by “Manufacturer Company”.

For the cables within system 3,

-Sampling,

-Initial Type Test,

-Determination of the product-type on the basis of type testing,

Shall be done by “Notified Testing Laboratory”

-Factory production control and product sample tests shall be done by “Manufacturer Company”.

For the cables within system 4,

-Sampling,

-Initial Type Test,

-Determination of the product-type on the basis of type testing,

-Factory production control and product sample tests

shall be done by “Manufacturer Company”.

  1. All laboratories'( Notified Certification Body's laboratories, laboratories used by Notified Certification Body other than his own laboratory, Manufacturer Company's laboratories etc.) international accreditations have been done by related accreditation authority and "Accreditation Certificate" shall be submitted to employer's inspection authority.

Any " Notified Certification Body" which is not covered in “Notified Certification Body Certification “ authorized for making test in a laboratory other than his laboratory cannot make test in any laboratory under no circumstance.

  1. “DoP, Declarationof Performance” shall be done in accordance with the requirements of EN 50575 standard.
  1. Within the scope of System 1+, there will be “Notified Certification Body” name on the DoP of cables having Aca, B1ca, B2ca, Cca reaction to fire performance classes..
  1. Within the scope of System 3, there will be “Notified Test Laboratory” name on the DoP of cables having Dca, Eca reaction to fire performance classes.
  1. Manufacturer that submitted “DoP, Declaration of Performance”, shall be responsible for decelerated fire reaction performance of relevant product.
  1. As long as product code of each material is defined on the DoP, the same DoP’s different variations can be arranged for different colour and conductor cross-section of the same product type.
  1. Within cables’ DoP Performance Declaration, following points cannot be applied,

-Reference standard other than related harmonized standards.

-Any performance declaration other than cables’ Euro Classes fire reaction performance classes.

  1. During 10 years period after placing the product on the market , DoP documents

should be obtained from the manufacturer’s web-site.

  1. During material approval stage, printed copies of each DoP for the cables that will be purchased, shall be submitted to the employer’s inspection authority.
  1. After DoP is issued, “CE Marking” shall be done in accordance with the requirements of EN 50575.
  1. CE marking shall be attached to product label on the cable drum or package in accordance with the requirements of EN 50575 in a way that it is easily seen, readable and not erasable.
  1. Selection and defining of the sampling for Initial Type Test shall be done in accordance with the requirements of CLC/TS 50576 EXAP standard.
  1. For fire resistant cables inside a construction, declaration of performance (DoP) cannot be issued so CE labelling cannot be done within the scope of CPR. In addition to that, test should be done at least in accordance with EN 50399 in an accredited laboratory for fire resistant cables. However, for resistant classification, when EN 50577 standard that will be issued as an update to EN 13501-3 standard will entirely go into practise, it shall be referred.

However,

a)For weak current cables in 20 mm diameter (included) and having up to 2.5 mm2 cross-section area (included) conform to at least EN 50200 standard, maintaining their functions and circuit’s continuity when subjected to the fire within the given period (PH…);

Until EN 50577 standard will go into practice, the test shall be done according to;

-EN 50200 standard in an international independent accredited laboratory

-EN 50399 standard in an accredited laboratory.

b)The tests for energy cables in 20 mm diameter (include) and having up to 2.5 mm2 cross-section area (include), except the weak current cables, must comply with minimum relevant IEC 60331 standards or EN 50200 standard; maintaining their functions and circuit’s continuity when subjected to the fire within the period (FE180) described in the test conditions in the relevant IEC 60331-21 standard or within the period (PH) that is determined in the test conditions in EN 50200 standard and related to the project and concerned area;

Until EN 50577 standard will go into practice, shall be done according to;

-EN 50200 and IEC 60331-21 standards in an international independent accredited laboratory

-EN 50399 standard in an accredited laboratory.

c)The tests for energy cables having larger diameter than 20 mm and larger cross-section area than 2,5 mm2 must comply with the relevant IEC 60331 standard or EN 50362 standard; maintain their functions and circuit’s continuity when subjected to the fire within the period (FE180) described in the test conditions in the relevant IEC 60331-21 standard or within the period (PH) that is determined in the test conditions in EN 50362 standard and related to the project and concerned area.

Until EN 50577 standard will go into practice, shall be done according to;

-EN 50200 and IEC 60331-21 standards in an international independent accredited laboratory

-EN 50399 standard in an accredited laboratory.

22Fire resistant weak current cables that type tested and produced accordingly, on the project plans and BOQ, have been defined as JE-H(-St)H –LSOH/FR , LIHCH-LSOH/FR codes with (PH) time that represent circuit integrity and functionality during fire condition.

23The LSOH-FR “0,6/1 kV” energy cables, which comply with EN 50200 standard, have 20 mm diameter (included) and 2.5 mm2 cross-section area (included) and their type tests are carried out and are produced according to items 3.3.1 and 3.3.3, except the weak current cables, are defined with N2XH FE 180/IEC 60331-21 or EN 50200 (PH 30/60/120, etc.) codes according to IEC 60331-21(FE 180) standard in the electrical installation designs and bill of quantities.

24The energy cables, which have the larger diameter than 20 mm and larger cross-section area than 2.5 mm2 having tested and produced accordingly, are defined with N2XH FE 180/IEC 60331-21 or EN 50362 (PH 30/60/120, etc.) codes according to IEC 60331-21(FE 180) standard in the electrical installation designs and bill of quantities.

25If there will be areas that will require the different fire resistance periods within the same structure, different PH periods may be defined according to EN 50200, EN 50362, IEC 60331-21 standards. The different PH periods are defined on the concerned drawings within the designs and in the bill of quantities.

26The type test certificates related to the safety cable against the fire that are carried out in the international independent accredited laboratories, which are published on the web site of European Union (NANDO) Notified Bodies according to “EN ISO IEC 17025 standard and to the relevant standards under the scope of Construction Material Regulation 305/2011 shall be furnished to the employer’s inspection authority at the bidding and material approval stage. Proposal of the companies which has not sent their type test documents and has incomplete documentation shall not be evaluated.

27Fire resistant cables shall conform to Restriction of the Use of Certain Hazardous Substances Directive-RoHS 2002/95/EC and their conformity shall be documented.

28CPR reaction to fire performance class of any cable inside the building (excludingfiber optical cable ) shall not have a lower class than specified fire reaction performance class of the building.

29Fiber optical cable inside the areas in the building shall be “Eca where Eca power cables exist”, or shall be “Cca-s1 d2 a1 “in all other areas.

30For U/UTP data cables, CPR reaction to fire performance class is given at most Cca due to cable design, production and technical requirements related to tests. So that, if higher performance classes shall be needed for design and application F/FTP, S/FTP, SF/UTP etc. cables shall be used. In future, U/UTP cables can be used in the areas where need higher performance class if they shall be produced as B2ca.

31 If the employer considers it necessary, he shall send a sample, randomly selected from any cable product family in any cross-section, to the accredited laboratory to do CPR conformity tests. If the test concludes positive, the test cost will be paid by the employer,if the test concludes negative, the test cost will be charged to the manufacturer.

If test results are negative;

a)Employer will make the test with another sample and if the test concludes negative again, than the employer will remove the manufacturer from its approved supplier list.

b)Practicing such sanctions like changing of already installed cables, mounting and demounting cost etc. shall be under employer’s decision.

c)In case of replacement, products of another company which has CPR conformity document and approved by the employer shall be brought to site, purchased and mounted by the employer or shall be purchased by the employer and given to the electrical contractor for the installation.

32 CE label should be located on the drums or packages of the cables as specified in the EN 50575 standard, the CE label is should be easily seen and read. CPR European Class and Declarationof Performance (DoP) number that is specified in EN 50575 standard, shall be printed on the cable outer sheath such an easily readable way. Manufacturer Company shall provide traceability and accessibility of DoP number for the customers via its web-site.

33Safety cables against fire, shall have and be suitable to below related standards most reason editions and actual published annexes of these standards.

33.1 EN 13501-6

Fire classification of construction products and building elements - Part 6: Classification using data from reaction to fire tests on electric cables

This European standard provides the reaction to fire classification procedure for electric cables. NOTE For the purpose of this European Standard the term "electric cables" covers all power, control and communication cables, including optical fibre cables.

33.2 EN 13501-3

Fire classification of construction products and building elements - Part 3: Classification using data from fire resistance tests on products and elements used in building service installations: fire resisting ducts and fire dampers

This European Standard specifies the procedure for classification of the resistance to fire performance of construction products and building elements used as components of building service installations, using data from fire resistance tests which are within the direct field of application of the relevant test method. Classification on the basis of extended application of test results is also included in the scope of this European Standard.

33.3 EN 50575

Power, control and communication cables - Cables for general applications in construction works subject to reaction to fire requirements

This European Standard specifies reaction to fire performance requirements, test and assessment methods for electric cables used for the supply of electricity and for control and communication purposes, which are intended for use in construction works and subject to performance requirements on reaction to fire.

33.4 CLC/TS EN 50576

Electric cables - Extended application of test results for reaction to fire

This Technical Specification gives the procedure and rules for extended application of results of tests carried out according to the test methods described in EN 50399, EN 60332 1 2 and EN 61034 2. The EXAP rules described apply to EN 50399 test results used for classification in classes B2ca, Cca and Dca, additional smoke production classes s1, s2 and s3 and flaming droplets/particles, to EN 60332 1 2 test results used for classification in classes B2ca, Cca, Dca and Eca and to EN 61034 2 test results used for classification in classes s1a and s1b. Cables of diameter 5,0 mm and less should be tested as bundles according to EN 50399 and are excluded from these rules.

33.5 EN 50577

Electric cables - Fire resistance test for unprotected electric cables (P classification)

This European Standard specifies a test method to evaluate the maintenance of circuit integrity of electric cables which have intrinsic resistance to fire under fire conditions, in order to classify the electric cable according to EN 13501-3 [2]. The test determines the survival time for circuit integrity of the electric cable when exposed to fire under the conditions of the EN 1363-1 standard time/temperature curve. This European Standard is used in conjunction with EN 1363-1. This European Standard applies to electric power and control cables with rated voltage up to and including 600/1 000 V.

33.6 EN 50399

Common test methods for cables under fire conditions - Heat release and smoke production measurement on cables during flame spread test - Test apparatus, procedures, results

This standard specifies the apparatus and methods of test for the assessment of vertical flame spread, heat release, smoke production and occurrence of flaming droplets/particles of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions.

33.7 EN 60332-1-2

Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame

Specifies the procedure for testing the resistance to vertical flame propagation for a single vertical electrical insulated conductor or cable, or optical fibre cable, under fire conditions. The apparatus is given in EN 60332-1-1. NOTE 1 Testing to EN 60332-1-2 may be performed simultaneously with that to EN 60332-1-3 if required.

33.8 EN 61034-2

Measurement of smoke density of cables burning under defined conditions - Part 2: Test procedure and requirements

This standard provides details of the test procedure to be employed for the measurement of the density of smoke emitted from electric or fibre cables burning under defined conditions

33.9 EN 60754-2

Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity

This standard specifies the apparatus and procedure for the determination of the potential corrosivity of gases evolved during the combustion of materials taken from electric or optical fibre cable constructions by measuring the acidity (pH) and conductivity of an aqueous solution resulting from the gases evolved during the combustion.

33.10 EN ISO 1716

Reaction to fire tests for products - Determination of the gross heat of combustion (calorific value)

This standard specifies a method for the determination of the gross heat of combustion of products at constant volume in a bomb calorimeter. Annex A describes the calculation of the net heat of combustion (QBYI) when required. Information on the precision of the test method is given in Annex B.

33.11 EN 60332-3-10

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

This standard covers, by Part 3-10, 3-21, 3-22, 3-23, 3-24 and 3-25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical under defined conditions.