Cut Sheet
Junction Boxes Screw cover
nVent.com/HOFFMANSUBJECT TO CHANGE WITHOUT NOTICEMild steel1
Spec-00278 H
Spec-00278
screw cover, type 12
industry stAndArds
UL 50, 50E Listed; Type 12, 13; File No. E27525
cUL Listed per CSA C22.2 No. 94; Type 12, 13; File No. E27525
UL 508A Listed; Type 12, 13; File No. E61997
cUL Listed per CSA C22.2 No. 94; Type 12, 13; File No. E61997
NEMA/EEMAC: Type 12 and 13
CSA, File No. 42184: Type 12
IEC 60529, IP65
ApplicAtion
Ideal for a broad range of applications, this enclosure’s screw cover
is secured in each corner for a positive seal but easily removed for
modifications.
speciFicAtions
• 16 or 14 gauge steel
• Seams continuously welded and ground smooth
• Bonding provision on cover
• Oil-resistant gasket
• Weldnuts provided for mounting optional panels and terminal
block kits in size 6.00 x 4.00 in. (152 x 102 mm) and larger
• External welded-on mounting brackets for easy installation
FinisH
ANSI 61 gray polyester powder paint inside and out
Accessories
See also Accessories.
Panels for Junction Boxes
Junction Box and Wall-Mount Enclosure Swing Out Panel Kit
Terminal Block Kit Assembly for Junction Boxes
Steel and Stainless Steel Window Kits
ModiFicAtion And custoMiZAtion
Hoffman excels at modifying and customizing products to
your specifications. Contact your local Hoffman sales office or
distributor for complete information.
Bulletin: A51Sc
Standard Product
Catalog Number
AxBxC in./mm Gauge UL Listed Panel
Conductive
Panel
Panel Size
D x E
in./mm
Mounting
G x H
in./mm
Overall
L x W
in./mm
F
in./mm
J
in./mm
K
in./mm
T
in./mm
V
in./mm
Y
in./mm
A404SC 4.00 x 4.00 x 3.00
102 x 102 x 76
16 508A No Panel No Panel No Panel
No Panel
4.75 x 2.00
121 x 51
5.50 x 4.23
140 x 107
—
—
2.50
64
0.66
17
3.00
76
—
—
—
—
A604SC 6.00 x 4.00 x 3.00
152 x 102 x 76
16 508A A6P4 A6P4G 4.88 x 2.88
124 x 73
6.75 x 2.00
171 x 51
7.50 x 4.23
191 x 107
2.53
64
2.50
64
0.66
17
3.00
76
0.31
8
0.56
14
A806SC 8.00 x 6.00 x 3.50
203 x 152 x 89
14 50, 50E A8P6 A8P6G 6.75 x 4.88
171 x 124
8.75 x 4.00
222 x 102
9.50 x 6.28
241 x 160
3.03
77
3.01
76
0.67
17
5.00
127
0.25
6
0.62
16
A4044SC 4.00 x 4.00 x 4.00
102 x 102 x 102
16 508A No Panel No Panel No Panel
No Panel
4.75 x 2.00
121 x 51
5.50 x 4.23
140 x 107
—
—
3.50
89
0.66
17
3.00
76
—
—
—
—
A6044SC 6.00 x 4.00 x 4.00
152 x 102 x 102
16 508A A6P4 A6P4G 4.88 x 2.88
124 x 73
6.75 x 2.00
171 x 51
7.50 x 4.23
191 x 107
3.53
90
3.50
89
0.66
17
3.00
76
0.31
8
0.56
14
A606SC 6.00 x 6.00 x 4.00
152 x 152 x 102
16 50, 50E A6P6 A6P6G 4.88 x 4.88
124 x 124
6.75 x 4.00
171 x 102
7.50 x 6.28
191 x 160
3.53
90
3.50
89
0.66
17
5.00
127
0.31
8
0.56
14
A808SC 8.00 x 8.00 x 4.00
203 x 203 x 102
14 50, 50E A8P8 A8P8G 6.75 x 6.88
171 x 175
8.75 x 6.00
222 x 152
9.50 x 8.28
241 x 210
3.53
90
3.51
89
0.67
17
7.00
178
0.25
6
0.62
16
A1008SC 10.00 x 8.00 x 4.00
254 x 203 x 102
14 50, 50E A10P8 A10P8G 8.75 x 6.88
222 x 175
10.75 x 6.00
273 x 152
11.50 x 8.28
292 x 210
3.53
90
3.51
89
0.67
17
7.00
178
0.25
6
0.62
16
A1010SC 10.00 x 10.00 x 4.00
254 x 254 x 102
14 50, 50E A10P10 A10P10G 8.75 x 8.88
222 x 226
10.75 x 8.00
273 x 203
11.50 x 10.28
292 x 261
3.53
90
3.51
89
0.67
17
9.00
229
0.25
6
0.62
16
A1210SC 12.00 x 10.00 x 5.00
305 x 254 x 127
14 50, 50E A12P10 A12P10G 10.75 x 8.88
273 x 226
12.75 x 8.00
324 x 203
13.50 x 10.28
343 x 261
4.53
115
4.51
115
0.67
17
9.00
229
0.25
6
0.62
16
A8066SC 8.00 x 6.00 x 6.00
203 x 152 x 152
14 50, 50E A8P6 A8P6G 6.75 x 4.88
171 x 124
8.75 x 4.00
222 x 102
9.50 x 6.28
241 x 160
5.53
140
5.51
140
0.67
17
5.00
127
0.25
6
0.62
16
A10086SC 10.00 x 8.00 x 6.00
254 x 203 x 152
14 50, 50E A10P8 A10P8G 8.75 x 6.88
222 x 175
10.75 x 6.00
273 x 152
11.50 x 8.28
292 x 210
5.53
140
5.51
140
0.67
17
7.00
178
0.25
6
0.62
16
A10106SC 10.00 x 10.00 x 6.00
254 x 254 x 152
14 50, 50E A10P10 A10P10G 8.75 x 8.88
222 x 226
10.75 x 8.00
273 x 203
11.50 x 10.28
292 x 261
5.53
140
5.51
140
0.67
17
9.00
229
0.25
6
0.62
16
A1212SC 12.00 x 12.00 x 6.00
305 x 305 x 152
14 50, 50E A12P12 A12P12G 10.75 x 10.88
273 x 276
12.75 x 10.00
324 x 254
13.50 x 12.28
343 x 312
5.53
140
5.51
140
0.67
17
11.00
279
0.25
6
0.62
16
A1412SC 14.00 x 12.00 x 6.00
356 x 305 x 152
14 50, 50E A14P12 A14P12G 12.75 x 10.88
324 x 276
14.75 x 10.00
375 x 254
15.50 x 12.28
394 x 312
5.53
140
5.51
140
0.67
17
11.00
279
0.25
6
0.62
16
A1614SC 16.00 x 14.00 x 6.00
406 x 356 x 152
14 UL 50 A16P14 A16P14G 14.75 x 12.88
375 x 327
16.75 x 12.00
425 x 305
17.50 x 14.28
445 x 363
5.53
140
5.51
140
0.67
17
13.00
330
0.25
6
0.62
16
A14128SC 14.00 x 12.00 x 8.00
356 x 305 x 203
14 50, 50E A14P12 A14P12G 12.75 x 10.88
324 x 276
14.75 x 10.00
375 x 254
15.50 x 12.28
394 x 312
7.53
191
7.51
191
0.67
17
11.00
279
0.25
6
0.62
16
A121010SC 12.00 x 10.00 x 10.00
305 x 254 x 254
14 50, 50E A12P10 A12P10G 10.75 x 8.88
273 x 226
12.75 x 8.00
324 x 203
13.50 x 10.28
343 x 261
9.53
242
9.51
241
0.67
17
9.00
229
0.25
6
0.62
16
A161410SC 16.00 x 14.00 x 10.00
406 x 356 x 254
14 50, 50E A16P14 A16P14G 14.75 x 12.88
375 x 327
16.75 x 12.00
425 x 305
17.50 x 14.28
445 x 363
9.53
242
9.51
241
0.67
17
13.00
330
0.25
6
0.62
16
Purchase panels separately. Optional stainless steel, conductive, composite and aluminum panels are available for most sizes.