Cut Sheet

Commercial Products
Switch and Outlet BOxeS and cOverS
Visit our website at www.appletonelec.com or contact us at [phone].
© February 2015
1415
NEC/CEC:
UL Standard: 514A
UL Listed: E2527
NEMA: OS-1
4” Octagon Boxes
With Knockouts
Depth
(inches)
Wiring Cubic
Inch Capacity
Knockout Description
Weight per 100
kg (lb)
Catalog Number 
(Universal No.)
Sides Ends Bottom
2-1∕8 21.5
(2)1∕2”
(2)3∕4”
—
(3)1∕2”
2)3∕4”
30.84
(68.0)
4OD-SPL
(54171SPL)
2-1/8" Deep
1-1∕2 15.5 (3)1∕2” — (5)1∕2”
28.12
(62.0)
4OVB-1/2
(54151F-1∕2)
1-1/2" Deep; Vertical bracket with stud;
Set back 5/8"
1-1∕2 15.5 (4)1∕2” — (4)1∕2”
41.73
(92.0)
SX115-4O-1/2
1-1/2" Deep; 40-1/2 box on SX115;
Stud bar hanger; Adjusts from 11-1/2" to
18-1/2"
 3-1/2” Cover Hole Centerline.
 Not fan box rated.