Appendix A- Reference Information; Wire Selection Guides; Resistance Of Solid Copper Wire; Notification Appliance Circuit Wire Selection Guide - Siemens FireSeeker FS-100 Installation, Operation And Maintenance Manual

FS-100 Installation & Operation Manual

APPENDIX A- REFERENCE INFORMATION

This appendix provides reference for the following topics:
•

Wire selection guides

•
Battery size calculations
WIRE SELECTION GUIDES

Resistance of Solid Copper Wire

AWG
18
16
14
12
*NEC Chapter 9, Table 8.

Notification Appliance Circuit Wire Selection Guide

Each Notification Appliance Circuit must not have a voltage drop greater than 1 volt. The following chart
is based on the following premises:
•
The entire load is at the end of the wire run (worst case).
•
Resistance is of solid copper wire
Contact your local distributor or the factory if further information is needed in your circumstances.
Maximum Wire Loop Distance (Feet)
Signal Load (A)
0.1
0.25
0.5
0.75
1.0
1.25
1.5
P/N 315-699461
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Ohms per Thousand Feet*
8.08
5.08
3.19
2.01
18 AWG
1,237
495
247
165
123
99
82
16 AWG 14 AWG
1968 3134
787 1253
393 626
262 417
196 313
157 250
131 208
38
12 AWG
4975
1990
995
663
497
398
331