Cut Sheet
Tubular Stringer Style - 1
1
/2" (Boxed)
■ Ladder type cable runway for communication cabling pathways.
■ Mounts to ceilings, walls, floors, relay racks, and electronic enclosures.
■
3
/8" (9.5mm) x 1
1
/2" (38.1mm) steel tube welded rungs spaced 12" (305mm) on center.
■ All finishes are UL Classified as suitable as an equipment grounding
conductor (File number E60548). Requires the use of bonding jumpers
on painted finishes to maintain classification.
■ Individually boxed in a carton suitable for shipping.
■ Available palletized without individual boxes for
larger installation projects.
■ Material: ASTM A513 Grade 1008 steel tube
■ Finish ___: Yellow Zinc (YZ),
Telco Gray Powder Coat (TG) or
Flat Black Powder Coat (FB)
(Other finishes are available upon request)
‘W’
Rung
Stringer
119
1
/2”
(3035 mm)
12”
(305 mm)
SB17U Tubular - 1
1
/2" (38mm) Stringers
Series Stringer Span Recommended Max. Load @ Deflection
Number Dimensions Load
5
/8" Deflection Multiplier
Ft. (m) Lbs./Ft. (N/m) Lbs./Ft. (N/m)
4 (1.22) 149 (2174) 347 (5062) 0.0018
SB17U 5 (1.52) 95 (1386) 145 (2115) 0.0043
6 (1.83) 66 (963) 70 (1021) 0.0089
UL Cross Sectional Area
0.40 in
2
(2.58 cm
2
)
Design Factors for (1) Rail
Area = .210 in
2
(1.35 cm
2
)
Sx = .066 in
3
(1.08 cm
3
)
Ix = .050 in
4
(2.08 cm
4
)
1
1
/2”
(38 mm)
3
/8”
(9 mm)
5
3
/4”
(146 mm)
Note: For runway pans see
pages 152 & 153
Part Number ‘W’ Width Weight
In. (mm) Lbs. (kg)
SB17U06B___ 6” (152) 18.0 (8.2)
SB17U09B___ 9” (228) 21.0 (9.5)
SB17U12B___ 12” (305) 23.0 (10.4)
SB17U15B___ 15” (381) 25.0 (11.3)
SB17U18B___ 18” (457) 28.0 (12.7)
SB17U24B___ 24” (609) 32.0 (14.5)
SB17U30B___ 30” (762) 37.0 (16.8)
SB17U36B___ 36” (914) 41.0 (18.6)
FB & TG are popular Bee List items
3
/8” x 1
1
/2”
.060 thick
Rung Profile
CABLE RUNWAYS
& ACCESSORIES
114
Cable Runways & Accessories