Selection Guide
43
* Per UL 514-A, suitable for use without a bonding jumper in circuits above or
below 250 volts.
** ECC, KOs on sides.
* Drawn style.
—
—
—
—
Knockouts (in.)
Cat. No. Each side Conduit Each end Conduit Std. Ctn.
E
*
E
Cat. No.
Raised
(in.) Description
Capacity
(cu. in.)
Std.
Ctn.
For single device – steel
–
–
–
–
–
–
For two devices – steel
Square corners
facilitate tile
Cat. No.
Raised
(in.) Description
Capacity
(cu. in.)
Std.
Ctn.
For single device – steel
–
Flat
–
Keyed for plaster
Offset, keyed for plaster
–
–
–
–
–
For drywall construction
For two devices
–
Flat
–
For drywall construction
Cat. No.
Raised
(in.) Description
Capacity
(cu. in.)
Std.
Ctn.
–
Flat, blank
–
Center blanked with tapped
" centers
Center blanked with
tapped ears on
" centers
–
Flat, with
" KO
–
—
Square boxes and accessories
4" Square extension rings
—
4" Square covers
—
4" Square-cut tile wall covers
—
4" Square device covers
53151 1/2 3/4
52 C 1
52 C 16
52 C 0
52-C-36
52 C 49 1/2
53151 3/4
531511234UB**
52 C 3 1
52 C 19
52 C 10
52 C 00
52C5011/2-25
531711234*
53151 1/2
52 C 6
52 C 21
52 C 14
52-C-17-25 52 C 21
52 C 52 1/2
53171 1
SQUARE BOXES AND ACCESSORIES