Installation and Operation Manual
NAC Wire Selection Guide
Total Signal
Load
AWG12
Amperes
ft
0.3
4530
0.6
2265
0.9
1510
1.2
1132
1.5
906
2
679
Annunciator Wire Selection Guide
(AWG)
12
13
14
15
16
17
18
Table 17 NAC Wiring Table
Maximum Wiring Run to Last Device
AWG14
m
ft
1381
2847
691
1423
460
949
345
712
276
569
207
427
NAC circuits are rated for of 2 Amperes each.
Maximum voltage drop can't exceed 1.8V (for regulated circuit).
Table 18 Annunciator Wiring Table
Wire
Resistance
(ohms/km)
5.31
6.69
8.45
10.6
13.5
16.3
21.4
AWG16
m
ft
m
868
1782
543
434
891
272
289
594
181
217
445
136
174
356
109
130
267
81
ft
15443
12257
9704
7736
6074
5031
3832
59
Maximum
AWG18
Resistance
ft
m
Ohms
1124
343
562
171
375
114
281
86
225
69
169
51
m
4708
3737
2959
2358
1852
1534
1168
Line
7.33
3.67
2.44
1.83
1.47
1.10