400/800/2300 Raceway Wire Fill Capacity for Power
Cable/Wire Size O.D. 400 Raceway 800 Raceway 2300 Raceway
inches [mm] Number of
Conductors		 Number of
Conductors		 Number of
Conductors
14 AWG 0.111 [2.8] 5 6 25
12 AWG 0.130 [3.3] 3 5 18
10 AWG 0.164 [4.2] 0 4 12

400/800/2300 Raceway Wire Fill Capacity for Communications
  O.D. (Approx. Dia) 400 Raceway 800 Raceway 2300 Raceway
  Cable wire Size inches [mm] 20%
Fill **		 40%
Fill ***		 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]		 0
0
0		 1
1
1		 1
1
1		 3
3
2		 2
2
1		 5
4
3
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]		 1
1
0
0		 3
2
1
0		 3
3
1
0		 7
6
3
0		 14
12
8
1		 29
25
16
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]		 0
0
0
0		 1
1
1
0		 3
3
1
0		 3
2
2
1		 7
4
4
3		 15
9
9
7
TWINAXIAL 100 Ohm 0.330 [8.4] 0 0 0 1 2 5
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		 1
1
4		 3
2
9
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]		 2
0
0
0		 4
1
1
1		 4
1
1
1		 8
3
3
2		 18
8
8
4		 36
16
16
8

* 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.