Cut Sheet

Commercial Products
Switch and Outlet BOxeS and cOverS
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© February 2015
1481
NEC/CEC:
UL Standard: 514A
UL Listed: E2527
NEMA: OS-1
Masonry Boxes
3-1/2” Deep x 3-3/4” High with Concentric Knockouts (Non-Gangable)
Depth
(inches)
Wiring Cubic
Inch Capacity
Knockout Description
Weight per 100
kg (lb) Catalog NumberSides Ends Bottom
1-13∕16 22.0 (4)1∕2”–3∕4” (4)1∕2”–3∕4” (2)1∕2”–3∕4”
39.01
(86.0)
M1-350
1-13/∕16” Wide, Welded
Single gang
3-5∕8 44.0 (4)1∕2”–3∕4” (8)1∕2”–3∕4” (4)1∕2”–3∕4”
57.15
(126.0)
M2-350
3-5∕/8” Wide, Welded
Two gang
5-7∕16 66.0
(4)1∕2”–3∕4” (12)1∕2”–3∕4” (6)1∕2”–3∕4”
73.94
(163.0)
M3-350
5-7∕/16” Wide, Welded
Three gang
7-3∕8 92.0 (4)1∕2”–3∕4” (16)1∕2”–3∕4” (4)1∕2”–3∕4”
90.72
(200.0)
M4-350
Low Voltage Partitions
0.0 For3-1∕2”2-,3-and4-GangMasonryBoxes
10.89
(24.0)
LVP-350