Selection Guide
37SQUARE BOXES AND ACCESSORIES
—
Square boxes and accessories
4" Square old-work box with swing ears and 4" square boxes
—
Cat. No. Description Std. Ctn.
"D old-work box with factory-mounted swing ears
OW SWING EAR Swing ears only (for field installation) with self-threading screws
52171-OW OW Swing Ears
Knockouts (in.)
Cat. No.
Depth
(in.)
Capacity
(cu. in.) Clamps Brackets
Each side
Conduit
Each end
Conduit
Bottom
Conduit
Std.
Ctn.
With non-metallic sheathed cable clamps
–
,
,
E
MS
,
,
E
B
,
,
E
SV
,
,
E
CV
,
,
E
CV
,
,
E
–
,
,
E
SV
,
,
E
With conduit KOs
– –
– –
– –
– –
,
,
,
– –
,
,
,
– –
,
– B
,
,
E
,
,
E
,
,
E
– –
,
,
E
,
,
E
,
,
E
(Ground bump)
– –
,
,
E
,
,
E
,
,
E
(Ground bump with
" ground wire)
– –
,
,
E
,
,
E
,
,
E
—
52151-1/2 &
3/4-EWGB
52151 N
52151 BN*
B bracket
mounted flush
52151 MS N*
MS bracket for
1
5
⁄8", 2
1
⁄2", 3
5
⁄8", 4"
52151 CVN*
CV bracket
mounted flush
2171-VN*
SV bracket
mounted flush
52151-3/4
521511234EWGB
52151-3/4-W
52151 CVNP
52141-1/2
52151 1/2 3/4
521511234EWGBP
52151B1234
B Bracket
mounted flush
52151 VN*
SV bracket
mounted
flush
52171 N
52151 1/2
52151-1/2 & 3/
4-EW
521511234P
* All bracketed boxes come complete with eccentric knockouts. Per UL514A, suitable for use without a bonding jumper in circuits above or below 250 volts.
Pigtail wire is #12 AWG insulated, 10
1
2" long.