Appendix B: Worksheets
224
Vigilant VS1 and VS2 Technical Reference Manual
Table 5: Longest allowable circuit path with 11 to 15 GSA-UMs or GSA-MABs configured for 2-wire smoke detectors
Maximum allowable wire distance using nontwisted, nonshielded and
twisted, nonshielded wire pairs (evenly distributed)
18 AWG
16 AWG
14 AWG
Detector
addresses
Module
addresses
ft. m ft. m ft. m
1 to 25
0
1817 554 2887 880 4592 1400
26 to 50
0
1070 326 1699 518 2703 824
51 to 75
0
321 98 510 156 811 247
76 to 100
0
0 0 0 0 0 0
101 to 125
0
0 0 0 0 0 0
0 1
to
25
1490 454 2367 721 3764 1147
1 to 25
1 to 25
745 227 1184 361 1883 574
26 to 50
1 to 25
0 0 0 0 0 0
51 to 75
1 to 25
0 0 0 0 0 0
76 to 100
1 to 25
0 0 0 0 0 0
101 to 125
1 to 25
0 0 0 0 0 0
0 26
to
50
421 128 668 204 1063 324
1 to 25
26 to 50
0 0 0 0 0 0
26 to 50
26 to 50
0 0 0 0 0 0
51 to 75
26 to 50
0 0 0 0 0 0
76 to 100
26 to 50
0 0 0 0 0 0
101 to 125
26 to 50
0 0 0 0 0 0
0 51
to
75
0 0 0 0 0 0
1 to 25
51 to 75
0 0 0 0 0 0
26 to 50
51 to 75
0 0 0 0 0 0
51 to 75
51 to 75
0 0 0 0 0 0
76 to 100
51 to 75
0 0 0 0 0 0
101 to 125
51 to 75
0 0 0 0 0 0
0 76
to
95
0 0 0 0 0 0
1 to 25
76 to 95
0 0 0 0 0 0
26 to 50
76 to 95
0 0 0 0 0 0
51 to 75
76 to 95
0 0 0 0 0 0
76 to 100
76 to 95
0 0 0 0 0 0
101 to 125
76 to 95
0 0 0 0 0 0