30 InStALLAtIon And opErAtIon mAnuAL 25-13741-C October 2018 www.eaton.com10. Installation10.4 Cabling requirementsoutstations: Enhanced Fp200 2x2 / 1x4 Core; 1.5mm2 is recommended for power,data connections to Outstation. Use screened cabling throughout the installation.Ensure that screen wiring is securely bonded to earth/shield terminals provided.mains wiring: VoCALL 16 requires a mains supply exclusive to the panel that usesfixed three-core wiring (between 0.75mm2 and 2.5mm2) which is fed from a doublepole isolating fuse connection unit, fused at 3A. Unauthorized operation of the mainssupply must not be allowed and the fused spur should be labeled “EMERGENCYVOICE COMMUNICATION SYSTEM: DO NOT SWITCH OFF”. Mains wiring must besegregated from all other system wiring.Good practices:• Cables should be installed without external joints wherever practicable. Jointsshould be enclosed in junction boxes, labeled with the words“EmErGEnCY VoICE CommunICAtIon SYStEm”.• It is recommended to route power and communication loop (Outstation wiring) indifferent cable sheath.