Depending on the producer's instructions, you will then be recommended to work with either a size of bell wire / twin cable to serve as an interlink cable, or three-core and earth (which is usually adopted in more recent installations). You could determine The placement with the fire thanks to https://wireless-fire-alarm-equip46788.affiliatblogger.com/89937469/the-definitive-guide-to-wireless-fire-alarm-equipment