InstallationandOperationManual
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Appendix‐B:WireSelectionGuide
SLCWireSelectionGuide
MaximumLoopCurrent=100mA@NSB,220mA@Alarm
MaximumLoopCapacitance=0.1uF
Table16AddressableLoopWiring
WireGauge MaximumWiringRuntoLastDevice
(AWG)
Wire
Resistance
(ohms/km)
Maximumcurrent
90mA
Maximumcurrent
150mA
Maximumcurrent
220mA
ft m ft m ft m
12 5.31 15099 4603 9060 2762 6177 1883
13 6.69 11985 3654 7191 2192 4903 1495
14 8.45 9488 2893 5693 1736 3882 1183
15 10.6 7564 2306 4538 1384 3094 943
16 13.5 5939 1811 3563 1086 2430 741
17 16.3 4919 1500 2951 900 2012 613
18 21.4 3747 1142 2248 685 1533 467