Cut Sheet

Commercial Products
Switch and Outlet BOxeS and cOverS
Visit our website at www.appletonelec.com or contact us at [phone].
© February 2015
1418
NEC/CEC:
UL Standard: 514A, 514B
UL Listed: E2527
NEMA: FB-1, OS-1
4” Octagon Boxes
With Armored Cable Clamps
Depth
(inches)
Wiring Cubic
Inch Capacity
Clamp
Type
Knockout Description
Weight per 100
kg (lb)
Catalog Number 
(Universal No.)
Sides Ends Bottom
1-1∕2 15.5 CL-25 (2)1∕2”
(4)21/32”
(4)21/32”
(1)1∕2”
27.67
(61.0)
551L
(54151X)
1-1/2" Deep
Two nail holes each end
1-1∕2 15.5 CL-25 (2)1∕2”
(4)21/32”
(4)21/32”
(1)1∕2”
33.57
(74.0)
551LJB
1-1/2" Deep
JB Bracket set flush;
Gauging Notches 3/8” & 1/2”
2-1/8 21.5 CL-25 (2)1∕2”
(4)21/32”
(4)21/32” (1)1∕2”
38.10
(84.0)
551LDJB
2-1/8” Deep
JB Bracket set back 1”;
Gauging Notches 3/8” & 1/2”
1-1∕2 15.5 CL-25 (2)1∕2”
(4)21/32”
(4)21/32” —
46.72
(103.0)
SX115-551L 
1-1/2” Deep
551L 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.