66
6.11
Wiring Tables and Information
Table 10
Wiring Table for Initiating Circuits.
Table 11
Wiring Table for NACs
Main board NACs are rated for 1.7 amps each. The SGM-1004A NACs are rated for 1.7 amps
each.
Wire Gauge
Maximum Wiring Run to Last Device (ELR)
(AWG)
ft.
m
22
2990
910
20
4760
1450
18
7560
2300
16
12000
3600
14
19000
5800
12
30400
9200
Note:
Maximum loop resistance should not exceed 100 Ohms.
Total Signal
Load
Maximum Wiring Run to Last Device (ELR)
Max Loop
Resistance
18AWG
16AWG
14AWG
12AWG
0hms
Amperes
ft.
m
ft.
m
ft.
m
ft.
m
Ohms
0.06
2350
716
3750
1143
6000
1829
8500
2591
30
0.12
1180
360
1850
567
3000
915
4250
1296
15
0.30
470
143
750
229
1200
366
1900
579
6
0.60
235
71
375
114
600
183
850
259
3
0.90
156
47
250
76
400
122
570
174
2
1.20
118
36
185
56
300
91
425
129
1.5
1.50
94
29
150
46
240
73
343
105
1.2
1.7
78
24
125
38
200
61
285
87
1.0
Note:
Maximum voltage drop should not exceed 3.3 Volts for Class A and 3.7 Volts for
Class B.
i
i
