3 Gang Masonry Box 3-1/2 in. deep 21 cu. in./gang. On multi-gang boxes, lateral spacing between mounting holes is 1-13/ 16 in.

General
Type: Masonry Boxes and Accessories
Number of Gangs: 3
T&B UPC: 62253841755
T&B Status: M
Material: Steel

Dimension Information
Depth (in.): 3-1/2
Dimensions H x W x D (in.): 3-3/4 x 5-19/32 x 3-1/2
Volume (cu. in.): 63
Knockouts 1/2" bottom: 6
Knockouts 1/2" ends: 9
Knockouts 3/4'' ends: 9
Knockouts 1/2" sides: 8
Knockouts 3/4" sides: 8
Knockouts 3/4" bottom: 6