Interlogix UltraView PTZ, Installation Manual

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Chapter 1
Introduction
7
Power cable size and length requirements
Using the proper gauge of power cable will ensure proper operation and avoid voltage drops. See Table 4 for
the recommended cable gauge for varying maximum cable lengths and power draws.
Table 4. Recommended power cable gauges based on maximum lengths for an operating voltage of 24 VAC (±4 VAC)
Wire gauge Domes with fan (20 VA)
Domes with
12 W heater/fan (x2) (45 VA)
HD domes with
23 W heater/fan (x2) (66 VA)
AWG
mm
(dia.) feet meters feet meters feet meters
10 2.60 1569 478 784 238 490 149
12 2.05 988 301 494 150 309 94
14 1.62 620 188 310 94 194 59
16 1.29 391 119 196 59 122 37
18 1.02 246 74 123 37 77 23
WARNING: Be aware that the power requirements for UltraView PTZ are different, which may require new cabling
when replacing CyberDomes with UltraView PTZ domes.