At P4 Limited we have been leading the market in designing and manufacturing self-testing emergency lighting and converting mains luminaires to self-testing emergency lighting for over 30 years. We employ an in house team of fully qualified service engineers to provide maintenance and service support and all of our products comply with BSEN 60598-2-22 and BSEN 62034.

Our Fastel Automatic Testing and Monitoring Systems and IoT M-Web Controller are now kitemarked. This means they have been independently verified by impartial third-party testing, in the interests of safety of all users. By becoming Kitemark certified, we are demonstrating our commitment to being the very best in the industry now, and in the future. Our passion, pride and meticulous attention to detail are evident in every Fully Automatic Self-Testing Emergency Lighting (Fastel) product and system we supply.


At P4, creativity and excellence are part of everyday

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