1 2 5 3 0 / 1 2 5 4 0 O W N E R ' S M A N U A LP/N 447203 Issue I VIII-1VIII. APPENDIX-A: REFERENCE DATAThis appendix provides reference for the following topics:• Wire selection guides• Battery size calculationsWIRE SELECTION GUIDESResistance of Solid Copper WireAWG Ohms per Thousand Feet*18 8.0816 5.0814 3.1912 2.01*NEC Chapter 9, Table 8.Initiating Device Circuit Wire Selection GuideThe following charts are based on the resistance of solid copper wire.Maximum Wire Loop Distance (feet)Each 12503 Conventional Expansion Board initiating circuit loop must not have a resistance greater than100 ohms.Wire size: 18AWG 16AWG 14AWG 12AWGWire length: 12,376 19,685 31,347 49,751Cable length: 6,188 9,842 15,673 24,875
