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Honeywell MS-9600UDLSE Manual Do Utilizador

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MS-9600LS Series Manual — P/N 52646:B2  2/12/2010
197
NAC Wiring
Wire Requirements
E.1  NAC Wiring
The following table lists NAC wiring requirements for the FACP. 
Notes: 
1. 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
12.72
3295
2072
1301
819
1648
1036
650
409
0.5
6.36
1648
1036
650
409
824
518
325
205
0.75
4.24
1098
691
434
273
549
345
217
136
1
3.18
824
518
325
205
412
259
163
102
1.25
2.54
659
414
260
164
330
207
130
82
1.5
2.12
549
345
217
136
275
173
108
68
1.75
1.82
471
296
186
117
235
148
93
58
2
1.59
412
259
163
102
206
129
81
511
2.25
1.41
366
230
145
91
183
115
72
45
2.5
1.27
330
207
130
82
165
104
65
41
Table E.2  NAC Wiring Requirements for FACP