6000 Raceway Wire Fill Capacity for Power*
    Number of Conductors (40% Fill)
Wire Size
THHN/THWN		 O.D. Without
Devices		 With Duplex/
Rect. Devices
1.59in.² (1025mm)		 With Surge/
GFCI Devices
2.30in.² (1485mm)		 Large Single
Receptacles
3.00in.² (1935mm)
inches [mm] Undiv. Divided Undiv. Divided Undiv. Divided Undiv. Divided
14 AWG 0.111 [2.8] 659 296 528 231 470 202 412 173
12 AWG 0.130 [3.3] 481 216 385 168 342 147 300 126
10 AWG 0.164 [4.2] 303 136 243 106 216 92 189 79
8 AWG 0.216 [5.5] 174 78 140 61 124 53 109 45
6 AWG 0.254 [6.5] 126 56 101 44 89 38 78 33
4 AWG 0.324 [8.2] 77 34 0 0 0 0 0 0
3 AWG 0.352 [8.9] 65 29 0 0 0 0 0 0
2 AWG 0.384 [9.8] 55 24 0 0 0 0 0 0
1 AWG 0.446 [11.3] 40 18 0 0 0 0 0 0
1/0 AWG 0.486 [12.3] 34 15 0 0 0 0 0 0
2/0 AWG 0.532 [13.5] 28 12 0 0 0 0 0 0

6000 Raceway Wire Fill Capacity for Communications
  O.D. (Approx. Dia) Divided Undivided
  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]		 50
41
29		 101
83
58		 112
92
65		 225
184
130
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]		 93
81
50
10		 187
163
101
21		 207
181
112
24		 415
362
225
48
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]		 48
31
31
25		 96
62
62
50		 107
69
69
55		 214
139
139
111
TWINAXIAL 100 Ohm 0.330 [8.4] 16 33 37 74
SHIELDED
TWISTED PAIR		 Type 1
Type 2
Type 3		 0.390
0.465
0.245		 [9.9]
[11.8]
[6.2]		 12
8
30		 24
16
61		 26
18
67		 53
37
135
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]		 116
51
52
27		 232
103
104
55		 258
115
116
62		 516
230
233
124

* 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.