Ms-5Ud-3(E) & Ms-10Ud-3(E) Nac Wiring; Ms-5Ud-7(C/E) & Ms-10Ud-7(C/E) Nac Wiring - Honeywell MS-5UD Series Manual

D.1 MS-5UD-3(E) & MS-10UD-3(E) NAC Wiring
Table D.2 NAC Wiring Requirements for FACP with FLPS-3 Power Supply
Max.
allowable
total loop
NAC Load resistance
(Amps) (ohms)
0.25 9.60
0.5 4.80
0.75 3.20
1 2.40
1.25 1.92
1.5 1.60
1.75 1.37
2 1.20
2.25 1.07
2.5 0.96
D.2 MS-5UD-7(C/E) & MS-10UD-7(C/E) NAC Wiring
Table D.3 NAC Wiring Requirements for FACP with FLPS-7 Power Supply
Max.
allowable
total loop
NAC Load resistance
(Amps) (ohms)
0.25 13.60
0.5 6.80
0.75 4.53
1 3.40
1.25 2.72
1.5 2.27
1.75 1.94
2 1.70
2.25 1.51
2.5 1.36
2.75 1.24
3 1.13
MS-5UD/MS-10UD Series PN 52626:B 8/01/2008
The following table lists NAC wiring requirements for the MS-5UD-3(E) & MS-
10UD-3(E) FACP which utilizes the FLPS-3 power supply.
CLASS-B
Max. allowable wire pair length
(feet)
AWG 12 AWG 14 AWG 16
solid solid solid
2487 1564 982
1244 782 491
829 521 327
622 391 245
497 313 196
415 261 164
355 223 140
311 195 123
276 174 109
249 156
Note: Calculations are based on Direct-Current Resistance data for uncoated copper
wire, per National Electrical Code (2005 Edition) Table 8, Conductor Properties.
The following table lists NAC wiring requirements for the MS-5UD-7(C/E) & MS-
10UD-7(C/E) FACP which utilizes the FLPS-7 power supply.
CLASS-B
Max. allowable wire pair length
(feet)
AWG 12 AWG 14 AWG 16
solid solid solid
3523 2215 1391
1762 1107 695
1174 738 464
881 554 348
705 443 278
587 369 232
503 316 199
440 277 174
391 246 155
352 221 139
320 201 126
294 185 116
Note: Calculations are based on Direct-Current Resistance data for uncoated copper
wire, per National Electrical Code (2005 Edition) Table 8, Conductor Properties.
Max. allowable wire pair length
AWG 18 AWG 12
solid solid
618 1244
309 622
206 415
154 311
124 249
103 207
88 178
77 155
69 138
98 62 124
Max. allowable wire pair length
AWG 18 AWG 12
solid solid
875 1762
438 881
292 587
219 440
175 352
146 294
125 252
109 220
97 196
88 176
80 160
73 147
Wire Requirements
CLASS-A
(feet)
AWG 14 AWG 16 AWG 18
solid solid solid
782 491 309
391 245 154
261 164 103
195 123
156 98
130 82
112 70
98 61
87 55
78 49
CLASS-A
(feet)
AWG 14 AWG 16 AWG 18
solid solid solid
1107 695 438
554 348 219
369 232 146
277 174 109
221 139
185 116
158 99
138 87
123 77
111 70
101 63
92 58
77
62
51
44
39
34
31
88
73
63
55
49
44
40
36
151