Cut Sheet

6
5500 Raceway Wire Fill Capacities
CABLE O.D. (Approx. Dia.) 20% FILL 40% FILL
TYPE CABLE/WIRE SIZE Inches [mm] A B C A B C
Unshielded 4-pair, 24 AWG Cat. 3 0.190 [4.8] 57 18 35 114 37 71
Twisted Pair 4-pair, 24 AWG Cat. 5e 0.220 [5.6] 47 15 29 94 30 58
4-pair, 24 AWG Cat. 6 0.250 [6.3] 33 10 20 66 21 41
Telephone 2-pair, 24 AWG 0.140 [3.6] 105 34 65 211 68 131
3-pair, 24 AWG 0.150 [3.8] 92 29 57 184 59 114
4-pair, 24 AWG 0.190 [4.8] 57 18 35 114 37 71
25-pair, 24 AWG 0.410 [10.4] 12 4 7 24 8 15
Coaxial RG58/U 0.195 [5.0] 54 17 33 109 35 67
RG59/U 0.242 [6.1] 35 11 22 70 22 44
RG62/U 0.242 [6.1] 35 11 22 70 22 44
RG6/U 0.270 [6.9] 28 9 17 56 18 35
Twinaxial 100 ohm 0.330 [8.4] 19 6 11 38 12 23
Shielded TYPE 1 0.390 [9.9] 13 4 8 27 8 16
Twisted Pair TYPE 2 0.465 [11.8] 9 3 5 19 6 11
TYPE 3 0.245 [6.2] 34 11 21 69 22 42
Fiber Mini ZipCord 0.079 x 0.157 [2 x 4] 131 42 81 262 85 163
ZipCord 0.118 x 0.236 [3 x 6] 58 18 36 117 37 72
Round 4 Strand Fiber 0.187 [4.8] 59 19 36 118 38 73
Round 6 Strand Fiber 0.256 [6.5] 31 30 19 63 20 39
5500 Raceway Wire Fill Capacities for Power
NOTE: Capacity range is calculated at 20% to 40% of raceway area as stated in a proposed revision to the Commercial Building Standard for Telecommunication
Pathways and Spaces, TIA/EIA-569. Actual wire fill capacity may vary based on applications, cable type and number, as well as type of fittings. (Fittings may
cause additional variances to the fill capacity.)
2.64 sq.in.
[1703mm
2
]
1 3/4"
[44mm]
B
2.64 sq.in.
[1703mm
2
]
B
2.64 sq.in.
[1703mm
2
]
B
6 11/16"
[170mm]
1 3/4"
[44mm]
6 11/16"
[170mm]
2.64 sq.in.
[1703mm
2
]
B
5.29 sq.in.
[3413mm
2
]
C
1 3/4"
[44mm]
6 11/16"
[170mm]
8.14 sq.in.
[5252mm
2
]
A
NUMBER OF CONDUCTORS
WIRE SIZE O.D. (Approx. Dia.) PER COMPARTMENT
THHN/THWN Inches [mm]
AB C
14 AWG 0.111 [2.8] 64 41 50
12 AWG 0.130 [3.3] 60 25 44
10 AWG 0.164 [4.2] 90 46 70
8 AWG 0.216 [5.5] 65 18 40
6 AWG 0.254 [6.5] 45 15 34
14 AWG 0.111 [2.8] 64 35 50
12 AWG 0.130 [3.3] 60 25 44
10 AWG 0.164 [4.2] 90 16 70
8 AWG 0.216 [5.5] 65 8 36
6 AWG 0.254 [6.5] 45 5 25
NOTE: Total raceway wire capacity, in any configuration, can not exceed
capacity specified in C. Two A compartments can not exceed the
capacity specified for compartment B.
20% cable fill is calculated to approximate reduction in cable capacity
due to connectors mounted within raceway and fittings that may
restrict cross sectional area.
40% cable fill is the maximum designed cable fill based on a proposed
revision to TIA/EIA 569-A.
5500 Raceway Wire Fill Capacities for Communications
POWER
WIRING
WITHOUT
DEVICES
POWER
WIRING
WITH
DEVICES