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Pelco Manual C1982M-A (12/00) [ 9 ]
Table A. Recommended Wire Gauge and Wiring Distances
The following are the recommended maximum distances for 24 VAC applications and are calculated
with a 10-percent voltage drop. (Ten percent is generally the maximum allowable voltage drop for
AC-powered devices.)
Wire Gauge
Total 20 18 16 14 12 10
vA (0.5 mm
2
) (1.0 mm
2
) (1.5 mm
2
) (2.5 mm
2
) (4.0 mm
2
) (6.0 mm
2
)
10 283 451 716 1142 1811 2880
(86) (137) (218) (348) (551) (877)
EXAMPLE: A camera that requires 10 vA and is installed 283 feet (86 m) from the transformer
would require a minimum wire gauge of 20 AWG.
NOTE: Distances are calculated in feet; values in parentheses are meters.
Table B. Video Coaxial Cable Requirements
Cable Type* Maximum Distance
RG59/U 750 ft (229 m)
RG6/U 1,000 ft (305 m)
RG11/U 1,500 ft (457 m)
* Minimum cable requirements:
75 ohms impedance
All-copper center conductor
All-copper braided shield with 95% braid coverage