400/800/2300 Raceway Wire Fill Capacity for Power
Cable/Wire Size O.D. 400 Raceway 800 Raceway
inches [mm] Number of
Conductors
Number of
Conductors
14 AWG 0.111 [2.8] 7 10
12 AWG 0.130 [3.3] 5 7
10 AWG 0.164 [4.2] 3 4

400/800/2300 Raceway Wire Fill Capacity for Communications
  O.D. (Approx. Dia) 500 Raceway 700 Raceway
  Cable wire Size inches [mm] 20%
Fill *
40%
Fill **
20%
Fill *
40%
Fill **
UNSHIELDED
TWISTED PAIR
4-pair, 24 AWG, Cat 3
4-pair, 24 AWG, Cat 5e
4-pair, 24 AWG, Cat 6
0.190
0.210
0.250
[4.8]
[5.3]
[6.3]
1
1
0
2
2
1
1
1
1
3
3
2
TELEPHONE 2-pair, 24 AWG
3-pair, 24 AWG
4-pair, 24 AWG
25-pair, 24 AWG
0.140
0.150
0.190
0.410
[3.6]
[3.8]
[4.8]
[10.4]
2
2
1
0
2
2
1
0
3
2
1
0
6
5
3
0
COAXIAL RG58/U
RG59/U
RG62/U
RG6/U
0.195
0.242
0.242
0.270
[5.0]
[6.1]
[6.1]
[6.9]
1
0
0
0
2
1
1
1
1
1
1
0
3
2
2
1
TWINAXIAL 100 Ohm 0.330 [8.4] 0 0 0 1
SHIELDED
TWISTED PAIR
Type 1
Type 2
Type 3
0.390
0.465
0.245
[9.9]
[11.8]
[6.2]
0
0
0
0
0
1
0
0
1
0
0
2
FIBER Mini ZipCord
ZipCord
Round 4 Strand Fiber
Round 6 Strand Fiber
0.079 x 0.157
0.118 x 0.236
0.187
0.256
[2 x 4]
[3 x 6]
[4.8]
[6.5]
3
1
1
0
6
1
1
1
4
1
1
1
8
3
3
2

*   20% cable fill is calculated to approximate reduction in cable capacity due to connectors mounted with 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.