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CPR requirements for data communication building cables

 

 

resistance to fire

 

 

 

 

Types of reaction to fire classes

Fire resistance classes

Fig. Fire resistance classes

 

 

 

The table below shows the test methods used for the appropriate class of fire response.

Test methods for reaction to fire classes

Table 1: Test methods for reaction to fire classes (source: Polska Norma PN-EN 50575 Kable i przewody elektroenergetyczne, sterownicze i telekomunikacyjne. Kable i przewody do zastosowań ogólnych w obiektach budowlanych o określonej klasie odporności ogniowej)

Legend:

a – EN 50399 provides all information previously identified as FIPEC20 Scenario 1 and FIPEC20 Scenario 2;

b – specific test conditions apply according to EN 50399 for Class B1ca;

c – additional classification tests;

d – all information previously given in EN 50267-2-3 is given in EN 60754-2.

The following table shows additional parameters to classify the cabling in terms of fire response, such as::

s – amount of smoke generated during combustion,

a – acidity of gases generated during combustion,

d – amount of burning drops/particles generated during combustion.

Additional classes of reaction to fire

Table 2: Additional classes of reaction to fire performance for power cables and criteria to be fulfilled (source: Kable elektryczne stosowane w budynkach. Wymagania dotyczące reakcji na ogień. Instytut Techniki Budowlanej, Warszawa 2020)

 

 

Table 3. Additional criteria for reaction to fire classes

 

 

Currently ASSMANN company produces installation cables in the full range of transmission categories and reaction to fire classes (Fca, Eca, Dca, Cca, B2ca). 

DK-1626-VH-5 Cat.6 Installation Cable, F/UTP, B2ca, AWG 23/1, LSOH, 500m

Fig. DK-1626-VH-5 Cat.6 Installation Cable, F/UTP, B2ca, AWG 23/1, LSOH, 500m

 

 

What is a declaration of performance?

 

 

Ways of assessment and verification of constancy of performance of products, PN-EN 50575 standard defines the following systems and requirements dedicated to them:

 

 

AVCP Systems

Table 4: AVCP Systems (source: Polska Norma PN-EN 50575 Kable i przewody elektroenergetyczne, sterownicze i telekomunikacyjne. Kable i przewody do zastosowań ogólnych w obiektach budowlanych o określonej klasie odporności ogniowej)

 

 

Declaration of performance (DoP) versus EU declaration of conformity

How to select the reaction to fire class of cable depending on the type of building?

ilding guidelines

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A detailed description of the recommendations discussed is presented in Tables 4 and 5.

Additional requirements on reaction to fire performance of cables

Table 5. Additional requirements on reaction to fire performance of cables. Spread of flames (fire) on cables installed in bundles (source: Kable elektryczne stosowane w budynkach. Wymagania dotyczące reakcji na ogień. Instytut Techniki Budowlanej, Warszawa 2020)

 

 

Additional requirements for the reaction to fire performance of cables. Spread of flame (fire) on individually installed cables

Table 6. Additional requirements for the reaction to fire performance of cables. Spread of flames (fire) on individually installed cables (source: Kable elektryczne stosowane w budynkach. Wymagania dotyczące reakcji na ogień. Instytut Techniki Budowlanej, Warszawa 2020)

 

 

Required class of reaction-to-fire performance for cables and other general purpose cables installed outside and within escape routes in buildings of a certain type

Table 7. Required class of reaction-to-fire performance for cables and other general purpose cables installed outside and within escape routes in buildings of certain types (source: Norma N SEP-E-007:2017-09 Instalacje elektroenergetyczne i teletechniczne w budynkach. Dobór kabli oraz innych przewodów ze względu na ich reakcję na ogień.)

 

 

CPR regulation - summary

 

 

 

 

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