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PELCO Manual C437M-B (9/95) 5
3.3.2 Conductor Requirements
The ED25/ED2520/ED27 Series environmental domes
can be connected by a “hard-wire” system, Coaxitron
or Wiretron system. The ED2620 Series dome is de-
signed for hard-wire applications only. The distances
for each of these system is as follows:
Hard-wire Systems Coaxitron System Wiretron System
Cable Size Max. Cable Distance Max. Cable Distance Max. Cable Distance
14 Awg 680 ft (207.3 m) — —
16 Awg 425 ft (129.54 m) — —
18 Awg 265 ft (80.77 m) — —
20 Awg 165 ft (50.29 m) — 10 miles (16,093.44 m)
22 Awg — — 5 miles (8,046.72 m)
RG-59U — 750 ft (228.6 m) —
RG-11U — 1,800 ft (548.64 m) —
RG-6U — 1,500 ft (457.2 m) —
Figure 4. Power Supply Connection