FP500

What is FP500?

Prysmian FP500 is the cable designed to satisfy CAT 3 Control cable requirements for BS 8519:2020 including where the control cable is to be used as a single phase power cable. FP500 is steel wire armoured (SWA) which makes it the ideal choice when mechanical protection is required. The steel wire armour ensures that there is no need for additional mechanical protection as it is already built into the cable.

How does FP500 work?

FP500 is designed to maintain circuit integrity under fire conditions, ensuring that voltage and current remain consistent to keep essential systems operational. Its fire-resistant characteristics means that the cable fixings, support systems and joints need to meet or surpass FP500’s fire survival duration. Installation should either involve securing the cable directly to the building's structure or using cable management systems that can withstand high temperatures.

Prysmian FP500 cable fixings are typically made from copper or ferrous materials. Aluminium fixings, with its melting point of 660˚C, are not recommended. Non-burning fixings are crucial to the cable's performance in fire scenarios. Prysmian suggests using BICON cable accessories, which are fire-tested alongside Prysmian FP cables to ensure compatibility and reliability.

How is FP500 tested?

At Prysmian we use our extensive fire testing laboratory and facilities in the UK to develop cables for the increasing requirements of low fire hazard and fire-resistant cables in buildings.

Our dedicated team of fire testing engineers conduct 1,500 fire tests every year to ensure that each cable not only meets but exceeds regulatory requirements, providing peace of mind to everyone. The advanced testing methods we employ simulate real-world fire scenarios, meaning our cables perform reliably under extreme conditions to provide peace of mind. FP500 passes the following tests “as certified in Prysmian Fire Test Lab”.

FP500

1

Steel Wire Armour mechanical protection built in

2

Meets the requirements of BS 8519 for Cat 3 control cables used in single phase power circuits

3

No special tools or glands needed

4

Proprietary readily available accessories

5

White Numbered cores

6

Red coloured outer sheath for easy identification

What tests does FP500 meet?

  • 120 minutes test duration

  • (830 +40 )°C propane flame

  • Indirect impact using 25mm diameter steel bar
     

  • 120 minutes test duration

  • (930 + 40)°C propane flame

  • Indirect impact using 25mm diameter steel bar

  • 60 mins flame and impact followed by 60 mins flame, impact and water spray

  • 120 minutes test duration

  • (930 + 40)°C propane flame

  • Indirect impact using 25mm diameter bar

  • 115 mins flame and impact followed by 5 mins flame, impact and water spray

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