Cut Sheet

Commercial Products
Switch and Outlet BOxeS and cOverS
Visit our website at www.appletonelec.com or contact us at [phone].
© February 2015
1428
Depth
(inches)
Wiring Cubic
Inch Capacity
Type
Clamp
Knockout Description
Weight
per 100
kg (lb)
Catalog Number
(Universal No.)
Sides Ends Bottom
1-1∕2 21.0 CL-13
(4)1∕2”
(2) Eccentric
KO
(4)21∕32”
(1)
1∕2”
45.36
(100.0)
4SX-EK
(52151VB)
1-1/2” Deep, Welded
With
Green
Ground
Wire
1-1∕2 21.0 CL-13
(4)1∕2”
(2) Eccentric
KO
(4)21∕32”
(1)
1∕2”
45.36
(100.0)
4SX-EKP 
1-1/2” Deep, Welded
1-1∕2 21.0 CL-13
(2)1∕2”
(1) Eccentric
KO
(4)21∕32”
(1)
1∕2”
45.36
(100.0)
4SXAB-EK
(52151VB)
1-1/2” Deep, Welded; Vertical
bracket with barbed hooks
1-1∕2 21.0 CL-13
(2)1∕2”
(1) Eccentric
KO
(4)21∕32”
(1)
1∕2”
51.71
(114.0)
4SXVB-EK-PL
1-1/2” Deep, Welded; Plain
vertical bracket
1-1∕2 21.0 CL-13
(2)1∕2”
(1) Eccentric
KO
(4)21∕32”
(1)
1∕2”
52.62
(116.0)
4SXB-EK-PL
1-1/2” Deep, Welded; Plain
NL bracket set flush with
front of box
 Provided with green ground screw and 10” long No. 12 AWG solid, insulated green ground wire.
NEC/CEC:
UL Standard: 514A, 514B
UL Listed: E2527
NEMA: FB-1, OS-1
4” Square Boxes
With Armored Cable (AC)/Metal Clad Cable (MCI, MCI-A, MCC)/ Flexible Metal Conduit Clamps