The 8 core solid cabling can be utilized for alarm systems (keypads, panels, infrared sensors, beams etc.) and radio transmitter installations. The 8 core solid cabling is used to trigger different zones during a radio transmitter installation.
Remember that loose connections and bad joints will affect the current supply to your devices. Always add 10% more for consumption to allow variants. Doubling up on strands will double the current a cable can supply.