Appendix C: Calculations
Length
(in feet)
4700
7.50104
4800
7.66064
4900
7.82024
5000
7.97984
5100
8.13944
5200
8.29904
5300
8.45864
5400
8.61824
5500
8.77784
5600
8.93744
5700
9.09704
5800
9.25664
5900
9.41624
6000
9.57584
6100
9.73544
6200
9.89504
6300
10.05464
6400
10.21424
6500
10.37384
6600
10.53344
14 AWG Cable
Length
(in feet)
100
0.2525
200
0.505
300
0.7575
400
1.01
500
1.2625
600
1.515
700
1.7675
800
2.02
VES Fire Detection Systems
Compas Fire Alarm Control Panel Installation Manual
Resistance
Ω
@ 0.1 A
0.752312
0.76832
0.784328
0.800336
0.816344
0.832352
0.84836
0.864368
0.880376
0.896384
0.912392
0.9284
0.944408
0.960416
0.976424
0.992432
1.00844
1.024448
1.040456
1.056464
Resistance
Ω
@ 0.1 A
0.02525
0.0505
0.07575
0.101
0.12625
0.1515
0.17675
0.202
Voltage Drop per Conductor
@ 0.2 A
@ 0.3 A
1.500208
2.250312
1.532128
2.298192
1.564048
2.346072
1.595968
2.393952
1.627888
2.441832
1.659808
2.489712
1.691728
2.537592
1.723648
2.585472
1.755568
2.633352
1.787488
2.681232
1.819408
2.729112
1.851328
2.776992
1.883248
2.824872
1.915168
2.872752
1.947088
2.920632
1.979008
2.968512
2.010928
3.016392
2.042848
3.064272
2.074768
3.112152
2.106688
3.160032
Voltage Drop per Conductor
@ 0.2 A
@ 0.3 A
0.0505
0.07575
0.101
0.1515
0.1515
0.22725
0.202
0.303
0.2525
0.37875
0.303
0.4545
0.3535
0.53025
0.404
0.606
Version 4.00 | January 2024 | MAN-1431COM
@ 0.4 A
3.000416
3.064256
3.128096
3.191936
3.255776
3.319616
3.383456
3.447296
3.511136
3.574976
3.638816
3.702656
3.766496
3.830336
3.894176
3.958016
4.021856
4.085696
4.149536
4.213376
@ 0.4 A
0.101
0.202
0.303
0.404
0.505
0.606
0.707
0.808
Page 175
Need help?
Do you have a question about the Compas Fire Alarm Control Panel and is the answer not in the manual?
Questions and answers