Folknoll vandal resistant Disabled Refuge EVC Intercom Alarm series is a range of easy to install, easy to configure and easy to operate BS5839-9 compliant equipment, designed to enable you and your clients to install BS5839-9 compliant, vandal resistant, disabled refuge EVC systems. Our range includes the new compact master stations - a complete control system in a fire panel sized enclosure, and the new pro green photo luminescent/Braille/induction loop outstation.