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Cover Removal
Unshielded Twisted Pair (24 AWG)
Cat 3
Cat 3 Cat 3
Capacity of
2 Pair
3 Pair 4 Pair
Compartment
0.14
0.15
One Square
End Channel
190
165
One Round
End Channel
150
131
Small Center
40
34
Large Center
80
68
One Square
Extension
131
114
One Round
Extension
94
82
* Capacity range is calculated at 40% of raceway area as stated in a proposed revisions to the Commercial Building Standard for
Telecommunication Pathways & Spaces, EIA/TIA-569. Actual wire fill capacity may vary based on applications, cable types, and number,
as well as type of fittings. (Fittings may cause additional variances to the fill capacity.)
Capacity of
Compartment
One End Channel
Round or Square
Center (Small)
Center (Large)
One Extension
Round or Square
© Copyright 2003 The Wiremold Company All Rights Reserved
Vista Series Wire Fill Capacity for Communication
Cat 5
Cat 3
4 Pair
25 Pair 22 AWG
0.19
0.22
0.41
103
77
22
81
61
17
22
16
4
44
32
8
71
53
15
51
38
11
Vista Wire Fill Capacity for Power
6 AWG
7
14
28
4
The Wiremold Company
U.S. and International:
60 Woodlawn Street • West Hartford, CT 06110
1-800-621-0049 • FAX 860-232-2062 • Outside U.S. 860-233-6251
Canada:
850 Gartshore Street • Fergus, Ontario N1M 2W8
1-800-741-7957 • FAX 519-843-5980
42140R1 – Updated February 2003 – For latest specs visit www.wiremold.com
CABLE TYPE DESCRIPTION
Shielded Twisted Pair
TYPE 1
TYPE 2
TYPE 3
22 AWG 22 AWG 20 AWG 22 AWG 22 AWG 18 AWG 100 OHM
0.39
0.465
0.245
24
17
62
19
13
49
4
2
12
8
4
24
16
11
42
12
8
30
WIRE SIZE THHN/THWN
8 AWG
10 AWG
9
16
18
32
36
64
6
10
Coaxial Cable
RG58/U RG58/U RG6/U
RG/6U
0.195
0.242
0.242
98
63
63
77
50
50
20
12
12
40
24
24
67
43
43
48
31
31
12 AWG
26
52
104
16
Twinax
Fiber
0.27
0.37
0.19
51
34
103
40
27
81
10
60
22
20
12
44
25
23
71
25
17
51
14 AWG
35
70
140
22
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