Selection Guide
38 STEEL CITY® METALLIC BOXES & COVERS
—
Square boxes and accessories
4" Square boxes
Knockouts (in.)
Cat. No.
Depth
(in.)
Capacity
(cu. in.) Clamps Brackets
Each side
Conduit
Each end
Conduit
Bottom
Conduit
Std.
Ctn.
With conduit KOs (continued)
– –
,
,
E
,
,
E
,
,
E
– MS
,
,
E
,
,
E
,
,
E
– SV
,
,
E
,
,
E
,
,
E
– CV
– CV
,
,
E
,
,
E
,
,
E
– DV
,
E
,
E
,
E
– –
,
,
E
,
,
E
,
,
E
" ground
wire)
– –
,
,
E
,
,
E
,
,
E
– MS
,
,
E
,
,
E
,
,
E
" ground
wire)
– MS
,
,
E
,
,
E
,
,
E
– –
,
– –
,
– SV
,
,
E
,
,
E
,
,
E
– CV
,
,
E
,
,
E
,
,
E
– SSX – – – –
– V
,
,
E
,
,
E
,
,
E
– –
,
,
E
,
,
E
,
,
E
—
521511234EWP 52151-V-1/2
& 3/4
SV bracket
mounted
flush
52151 MS
For use on
1
5
⁄8", 2
1
⁄2",
3
5
⁄8", 4" studs
52151 CV
1/2 3/4
CV bracket
mounted flush
521711234EP
52151DV1/2
DV Bracket
provides
offset
52171 MS 1/2 3/4*
MS bracket for 1
5
⁄8",
2
1
⁄2", 3
5
⁄8", 4", 6"
metal studs
52171 V 1/2 & 3/4
SV bracket mounted flush
52171 CV 1/2 & 3/4
CV bracket mounted flush
52171 3/4
52171 1
521711234EP
52171MSP
52151 CV 3/4
CV bracket
mounted
flush
521711234E
* 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.
Cat. No. Description Ears Brackets
Each Side
KO
Each End
KO
Bottom
KO
Capacity
(cu. in.)
Std.
Ctn.
– –
" &
" Combo
" &
" Combo
" &
" Combo
w/side mounting bracket
– CV
" &
" Combo
" &
" Combo
" &
" Combo