Information

ELECTRICAL SOLUTIONS
C2.24
B2.
Cable
Accessories
C1.
Wiring
Duct
C3.
Abrasion
Protection
C4.
Cable
Management
D1.
Terminals
D2.
Power
Connectors
E1.
Labeling
Systems
E2.
Labels
E3.
Pre-Printed
& Write-On
Markers
F.
Index
B3.
Stainless
Steel Ties
C2.
Surface
Raceway
E5.
Lockout/
Tagout
& Safety
Solutions
B1.
Cable Ties
A.
System
Overview
D3.
Grounding
Connectors
E4.
Permanent
Identification
b
a
Cable Fill Capacities for Twin-70 Raceway
This information is to be used as a guide in selecting the proper size raceway. The maximum amounts may vary according
to the cable installation methods, straightness of cables, etc.
Cable fill #1: Power and data
with no devices.
SPEC = 40% cable fill – The recommended design in cable capacity,
leaves room for future moves, adds, and changes.
MAX f
or Data = 60% cable fill – The maximum cable quantity
based on cable interweaving and packing factors.
MAX f
or Power cable fill – The maximum of electrical cables
based on UL temperature rise test.
Cab
le fill #2: One Twin-70
channel with no devices.
Cable fill #3: Data only using
vertical sloped screw-on
communication faceplates.
Cable fill #4: Power using device
bracket and NEMA standard
70mm screw-on faceplates.
Cab
le fill #5: Data only using
horizontal sloped snap-on
communication faceplates.
Cable fill #6: 20 A TVSS
rectangular outlet using
device bracket and snap-on
electrical/communication faceplate.
A = 2.05 in.
2
A = 1.43 in.
2
A = 3.11 in.
2
A = 3.32 in.
2
A = 4.14 in.
2
A = 2.33 in.
2
A = 4.59 in.
2
AWG dimensions represent typical outer cable diameter in inches.
CR-SR-Tw70-WireFill1
Raceway Type and
Configuration
Fill
Area
(In.²)
Electrical Cables Data Grade Cables Data Grade Cables Audio/Video
Fiber Optic
Cable
14 AWG 12 AWG 10 AWG 24 AWG/UTP CM 24 AWG/UTP CM
RG6 2 Strand
THHN/T90 Cat 6. (4-pr.) Augmented Cat. 6
0.111 0.130 0.164 DIA. = 0.250 DIA. = 0.330 DIA. = 0.275 DIA. = 0.175
FILL FILL FILL FILL FILL
MAX MAX MAX SPEC MAX SPEC MAX SPEC MAX SPEC MAX
(UL Temp Rise Test) (40%) (60%) (40%) (60%) (40%) (60%) (40%) (60%)
1a.
Twin-70: Power and data,
no terminations.
2.05 — — — 16 25 9 14 13 20 34 51
1b.
1.43161615————————
2.
Twin-70: One channel no
devices (data).
4.59 — — — 37 56 21 32 30 46 76 114
3.
Twin-70: Data only
(screw-on faceplate).
3.11 — — — 25 38 14 21 20 31 51 77
4.
Twin-70: Power only
(screw-on faceplate).
3.32151313————————
5.
Twin-70: Data only
(snap-on faceplate).
4.14 — — — 33 50 19 29 27 41 68 103
6.
Twin-70: TVSS power
(snap-on faceplate).
2.33161614————————