RP-2002 Series Manual —
P/N 53039:E6 1/26/2017
151
NAC Wiring
Wire Requirements
F.1 NAC Wiring
The following table lists NAC wiring requirements for the FACP.
Calculations are based on Direct-Current Resistance data for uncoated copper wire, per
National Electrical Code (2005 Edition) Table 8, Conductor Properties.
NAC Load
(Amps)
Max.
allowable
total loop
resistance
(ohms)
CLASS-B
Max. allowable wire pair length
(feet)
CLASS-A
Max. allowable wire pair length
(feet)
AWG 12
solid
AWG 14
solid
AWG 16
solid
AWG 18
solid
AWG 12
solid
AWG 14
solid
AWG 16
solid
AWG 18
solid
0.25
13.60
3523
2215
1391
875
1762
1107
695
438
0.5
6.80
1762
1107
695
438
881
554
348
219
0.75
4.53
1174
738
464
292
587
369
232
146
1
3.40
881
554
348
219
440
277
174
109
1.25
2.72
705
443
278
175
352
221
139
88
1.5
2.27
587
369
232
146
294
185
116
73
1.75
1.94
503
316
199
125
252
158
99
63
2
1.70
440
277
174
109
220
138
87
55
2.25
1.51
391
246
155
97
196
123
77
49
2.5
1.36
352
221
139
88
176
111
70
44
2.75
1.24
320
201
126
80
160
101
63
40
3
1.13
294
185
116
73
147
92
58
36
Table F.2 NAC Wiring Requirements for FACP
Summary of Contents for NOTIFIER RP-2002C
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