Cut Sheet

Commercial Products
Switch and Outlet BOxeS and cOverS
Visit our website at www.appletonelec.com or contact us at [phone].
© February 2015
1424
Depth
(inches)
Wiring Cubic
Inch Capacity
Knockout Description
Weight per 100
kg (lb)
Catalog Number
(Universal No.)
Sides Ends Bottom
2-1∕8 30.3
(8)1∕2”
(4) Eccentric
KO
—
(2)1∕2”
(2) Eccentric
KO
37.19
(82.0)
4SD-EK
Red
Box
Option
2-1∕8 30.3
(8)1∕2”
(4) Eccentric
KO
—
"(2)1∕2”
(2) Eccentric
KO
37.19
(82.0)
4SD-EKRD 
2-1/8” Deep, Welded
With
Green
Ground
Wire
2-1∕8 30.3
(8)1∕2”
(4) Eccentric
KO
—
(2)1∕2”
(2) Eccentric
KO
37.19
(82.0)
4SD-EKP 
2-1/8” Deep, Welded
2-1∕8 30.3 (8)3∕4” —
(3)1∕2”
(2)3∕4”
38.10
(84.0)
4SD-3/4
(52171-3∕4)
2-1/8” Deep, Welded
2-1∕8
30.3
(8)1”
—
(3)1∕2”
(2)3∕4”
38.10
(84.0)
4SD-1
(52171-1)
2-1/8” Deep, Welded
2-1∕8 30.3
(6)1∕2”
(3) Eccentric
KO
—
(2)1∕2”
(2) Eccentric
KO
47.17
(104.0)
4SDVB-EK-PL
2-1∕8 30.3
(6)1∕2”
(3) Eccentric
KO
—
(2)1∕2”
(2) Eccentric
KO
47.17
(104.0)
4SDVB-EK-PLRD 
2-1/8” Deep, Welded;
Plain vertical bracket;
Set flush with front
of box
 For fire alarm circuits. Red powder coat finish.
 Provided with green ground screw and 10” long No. 12 AWG solid, insulated green ground wire.
NEC/CEC:
UL Standard: 514A
UL Listed: E2527
NEMA: OS-1
4” Square Boxes - 1-1/2" Deep
With Knockouts