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Fire Testing

BS5839-1and BS5266-1 STANDARD fire resistance

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FP200 Gold : BS EN 50200 PH30 STANDARD

Resistance to fire and mechanical shock only. 850 °C flame applied directly to FP200 Gold clipped to backboard for thirty minutes. Indirect impact every five minutes for test duration. PASS

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FP200 Gold : BS EN 50200 ANNEX 'E' STANDARD

Resistance to fire and mechanical shock only. 850 °C flame applied directly to FP200 Gold clipped to backboard for thirty minutes. Indirect impact every five minutes for test duration. PASS

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BS5839-1and BS5266-1 ENHANCED fire resistance

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FP PLUS : BS EN 50200 PH120 ENHANCED

Resistance to fire and mechanical shock only. 850 °C flame applied directly to FP PLUS clipped to backboard for one hundred and twenty minutes. Indirect impact every five minutes for test duration. PASS

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FP PLUS : BS 8434-2 ENHANCED

Resistance to fire, mechanical shock and water spray. 950 °C flame applied to FP PLUS clipped to backboard for one hundred and twenty minutes. Indirect impact every five minutes, water spray applied after fifteen minutes. PASS

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 BS8519 Category 3 Power Cable

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FP600S: BS8491 F120 and BS7846 F120

Resistance to flame, impact and water. 850 °C direct flame applied to FP600S cleated at the point of it's minimum bend radius. Water jet applied directly to the cable at intervals also at the point of minimum bend.

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BS 6387 : 1994

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FP200 GOLD : BS 6387 Category W

Resistance to Fire Alone
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FP200 GOLD : BS 6387 Category C

Resistance to Fire and Water
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FP200 GOLD : BS 6387 Category Z

Resistance to Fire with Mechanical Shock
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BS 7846/F2 : 2000

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FP400 : BS 7846 / F2 Category C

Resistance to Fire Alone
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FP400 : BS 7846 / F2 Category W

Resistance to Fire with Water
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FP400 : BS 7846 / F2 Category Z

Resistance to Fire with Direct Mechanical Shock and Water Jet
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Prysmian warns against specifying or installing fire performance cable that is not compliant with British Standards or Approved by a third party such as BASEC or LPCB

It is during the development of these high performance products that fire testing facilities take centre stage, such as Prysmian's fire testing facility in Bishopstoke. It is a dedicated laboratory with two full time members of staff that conduct over 1500 tests a year and sets FP cables apart from the rest.

There are three main tests conducted on fire performance cables:

  • Fire resistance - circuit integrity when burnt or burning.
  • Flame propagation - reduce the spread of flame along the cable.
  • Smoke emission tests - to help you see your exit.
  • Halogen acid gas - to help you see and breathe when escaping.

The fire resistance test measures the time that the cable continues to function under set conditions, retaining its electrical state.

Impact Tests
Impact tests simulate falling materials in a building with water blasts used to replicate sprinklers or fire fighting hoses in a fire situation. A metal rod repeatedly impacts the cable simulating falling materials in a building.

Flame Propagation 
Flame propagation tests examine how far a cable burns in a vertical position before it stops burning. Cable is fixed so that it runs vertically inside a fire testing chamber to simulate installation within a building.

Smoke Emission
Smoke emission tests involve burning cable in a smoke cube, which contains a light source at one end and a light sensor at the other. The cable is then set alight and emits smoke into the chamber. The percentage drop in the amount of light travelling from the source to the sensor is calculated and must not drop below a certain percentage depending on the test being applied.

Below are a selection of fire test videos that show the resistance to fire of a selection of our FP cables

FP News
Prysmian cables help protect water plants on the Isles of Scilly
Prysmian cables help protect water plants on the Isles of Scilly

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FP Updates
BS5266 Guide
A guide to the selection of cable types for particular building applications
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