Dimensions in Inches (mm)
www.hubbell-wiring.comB-54 Wiring Device-Kellems
®
F
C
A
BD
E
15°
Non-Metallic Angle Box
A
B
F
E
D
C
15°
Metallic Angle Box
48 CU. IN.
BD
E
ACF
Metallic Feed Thru Box
B
CA
E
D
55°
AA203055
C
A
55°
B
D
E
AB203055
HBL2030AP
AA2030PS
Twist-Lock® Devices
Safety-Shroud® Twist-Lock® Accessories
15° Angle Non-Metallic Back Box
NPT
Hub
Size
A
Inch
(mm)
B
Inch
(mm)
C
Inch
(mm)
D
Inch
(mm)
E
Inch
(mm)
F
Inch
(mm)
Cubic Inch
Capacity
Catalog Number
For 20A and 30A Watertight
Safety-Shroud Twist-Lock
Receptacles and Inlets.
1" 5.67"
(144.0)
4.44"
(112. 8)
4.05"
(102.9)
3.91"
(99.3)
2.35"
(59.7)
4.92"
(125.0)
30.00" BB2030N
Note: Hub is not included; order Raco part number 1704. This box meets IP67 requirement and Type 4X requirements when
installed with a watertight conduit hub.
15° Angle Metallic Back Boxes
NPT
Hub
Size
A
Inch
(mm)
B
Inch
(mm)
C
Inch
(mm)
D
Inch
(mm)
E
Inch
(mm)
F
Inch
(mm)
Cubic Inch
Capacity
Catalog Number
For 20A and 30A Watertight
Safety-Shroud Twist-Lock
Receptacles and Inlets.
¾" 5.13"
(130.2)
4.00"
(101.6)
4.19"
(106.4)
3.75"
(95.3)
3.00"
(76.2)
4.00"
(101.6)
30.00" BB201W
1" 5.13"
(130.2)
4.00"
(101.6)
4.19"
(106.4)
3.75"
(95.3)
3.00"
(76.2)
4.00"
(101.6)
30.00" BB301W
Metallic Feed Thru Back Boxes
NPT
Hub
Size
A
Inch
(mm)
B
Inch
(mm)
C
Inch
(mm)
D
Inch
(mm)
E
Inch
(mm)
F
Inch
(mm)
Cubic Inch
Capacity
Catalog Number
For 20A and 30A Watertight
Safety-Shroud Twist-Lock
Receptacles and Inlets.
¾" 8.25"
(209.6)
3.06"
( 7 7. 8 )
7.14"
(181.4)
4.50"
(114. 3)
3.75"
(95.3)
3.13"
(79.5)
48.00" FT202W
1" 8.25"
(209.6)
3.06"
( 7 7. 8 )
7.14"
(181.4)
4.50"
(114. 3)
3.75"
(95.3)
3.13"
(79.5)
48.00" FT302W
Note: These boxes are cast aluminum and are finished with enamel paint. These boxes withstand a 500-hour salt spray test as
well as UL raintight and external icing tests. NPT (metric designator).
55° Angle Metallic Adapter and Back Box
NPT
Hub
Size
A
Inch
(mm)
B
Inch
(mm)
C
Inch
(mm)
D
Inch
(mm)
E
Inch
(mm)
F
Inch
(mm)
Cubic Inch
Capacity
Catalog Number
For 20A and 30A Watertight
Safety-Shroud Twist-Lock
Receptacles and Inlets
1" 6.80"
(172.4)
5.63"
(142.9)
6.60"
(16 7.0 )
4.50"
(114. 3)
3.74"
(95.0)
-45.27" AB203055
55° Angle Metallic Adapter with Grounding Lug
Description
A
Inch
(mm)
B
Inch
(mm)
C
Inch
(mm)
D
Inch
(mm)
E
Inch
(mm)
F
Inch
(mm)
Cubic Inch
Capacity
Catalog Number
For 20A and 30A Watertight
Safety-Shroud Twist-Lock
Receptacles and Inlets
4.89"
(172.4)
3.33"
(16 7.0 )
4.29"
(142.9)
3.75"
(114. 3)
2.50"
(95.0)
-25.00" AA203055
Straight Watertight Wall Box Adapter
Description Catalog Number
Adapts 20A and 30A Watertight Safety-Shroud Twist-Lock receptacles and
inlets to 2-gang, device mount, FD boxes.
HBL2030AP
Non-Watertight Angle Wall Box Adapter
Description Catalog Number
Adapts 20A and 30A Watertight Safety-Shroud Twist-Lock receptacles to
1- or 2-gang standard wall boxes (4" or 4¹¹⁄₁₆" square).
AA2030PS
