4" X 4", flat covers.

52-C-0
Opening for one device.

52-C-00
Opening for two devices.

52-C-1
Blank.
52-C-6
1/2" conduit knockout.
4" X 4", raised covers.

52-C-10
Opening for one device.
Raised 3/16".
1.2" cubic capacity.

52-C-13
Opening for one device.
Raised 1/2".
3.5" cubic capacity.

52-C-14
Opening for one device.
Raised 3/4".
5.1" cubic capacity.

52-C-14-5/8
Opening for one device.
Raised 5/8".
4.3" cubic capacity.

52-C-15
Opening for one device.
Raised 7/8".
6.1" cubic capacity.

52-C-3
Plaster ring.
tapped ears on 2.719" centers.
Raised 1/2".
3.7" cubic capacity.
52-C-16
Opening for one device.
Raised 1 1/4".
8.5" cubic capacity.		 52-C-17
Opening for two devices.
Raised 1/2".
6.3" cubic capacity.		 52-C-18
Opening for two devices.
Raised 3/4".
9.7" cubic capacity.
52-C-18-5/8
Opening for two devices.
Raised 5/8".
7.8" cubic capacity.
4 11/16" X 4 11/16", raised covers.
72-C-10
Opening for one device.
Raised 3/16".
1.2" cubic capacity.		 72-C-13
Opening for one device.
Raised 1/2".
3.5" cubic capacity		 72-C-14
Opening for one device.
Raised 3/4".
5.1" cubic capacity.
72-C-15
Opening for one device.
Raised 7/8".
6.1" cubic capacity.		 72-C-17
Opening for two devices.
Raised 1/2".
6.3" cubic capacity.