F.1 nac wiring, F.1: nac wiring – System Sensor PDRP-2001 User Manual
Page 135

PDRP-2001 Series Manual — P/N 53043:E1 2/28/2011
135
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
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- 8251F FAAST (12 pages)
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- FAAST Comprehensive (35 pages)
- FAAST Modbus (20 pages)
- FAAST Networking (40 pages)
- FAAST Configuration and Validation Process (4 pages)
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- CH24MC Series Wall Chime_Strobes (4 pages)
- CHR, CHW, CHSR and CHSW (4 pages)
- SpectrAlert Ceiling Mount Series Strobes and Horn_Strobes (4 pages)
- CH24 Series Wall Chime_Strobes (4 pages)
- spectralert advance color lenses (1 page)
- DECAL-R, -RC, -W and -WC (1 page)
- DS2475RAR and DS2475WAR Dual Strobe (2 pages)
- Dual Strobe Expander Plates (4 pages)
- HR-LF, HW-LF, P2RH-LF and P2WH-LF (4 pages)
- Horns, Strobes and Horn Strobes (4 pages)
- MDL and MDLW (4 pages)
- MDL3R and MDL3W (2 pages)
- MHR and MHW (2 pages)
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- K Series Devices (2 pages)
- P12015K Outdoor Horn_Strobe (2 pages)
- P1224 and S1224 (4 pages)
- P24 and S24 Strobe and Horn_Strobe (4 pages)
- PA400 Series Electronic Mini-Sounders (1 page)
- PF24 Exitpoint (4 pages)
- PF24V Exitpoint (4 pages)
- PS12_24ADA Series Strobes with Mini-sounder (4 pages)
- RP12_24ADA Series Retrofit Strobes (4 pages)
- S1224MCK, P1224MCK and H12_24K (4 pages)
- SP100 Series Dual Transformer Speakers and Speaker_Strobes (4 pages)
- SP100ADA Series Dual-transformer Speaker_Strobes (4 pages)
- SP200 Series Dual Voltage Transformer Speakers (2 pages)
- SP201K Outdoor Dual Voltage Transformer Speakers (2 pages)
- SP2C Series Ceiling Mount Speaker_Strobes (4 pages)
- SP2 Series Wall Speaker_Strobes (4 pages)
- SP2R1224MC and SP2W1224MC (4 pages)
- SP2R1224MCK (4 pages)
- SP300 Series Dual Voltage Transformer Speakers (2 pages)
- SP3R1224MC and SP3W1224MC (4 pages)