Cut Sheet

Type 1 Boxes and enclosures Screw-cover Type 1 pull BoxeS and acceSSorieS
nVent.com/HOFFMANSUBJECT TO CHANGE WITHOUT NOTICEcommercial1
Spec-01104 D
Spec-01104
screw-cover pull Box exTender, Type 1
indusTry sTandards
UL 50, 50E Listed; Type 1; File No. E27525
cUL Listed per CSA C22.2 No 40; Type 1; File No. E27525
NEMA /EEMAC Type 1
IEC 60529, IP30
applicaTion
The Pull Box Extender, or “Step-Up”, product is designed for
commercial and general industrial applications that previously
required a custom-sized pull box, or to create additional wiring
space for existing pull box installations.
FeaTures
• Unique keyhole screw slots for easy installation
• Plated steel screws included to mount to pull box
• Compatible with Type 1 Pull Box accessories
• Maintains grounding between main enclosure and extender
speciFicaTions
• 16 gauge mild steel or galvanized steel
FinisH
ANSI 61 gray polyester powder paint finish inside and out, or
unpainted galvanized material.
accessories
Flush Covers
Flush-Mount Door Frames
Grounding Device
Type 1 Locking Window Pull Box Accessory
Touch-Up Paint
Bulletin: A90p1
Standard Product 
Catalog Number
AxBxC in. AxBxC mm
Style
A664SU 6.00 x 6.00 x 4.00 152 x 152 x 102 Painted
A664SUG 6.00 x 6.00 x 4.00 152 x 152 x 102 Galvanized
A864SU 8.00 x 6.00 x 4.00 203 x 152 x 102 Painted
A864SUG 8.00 x 6.00 x 4.00 203 x 152 x 102 Galvanized
A884SU 8.00 x 8.00 x 4.00 203 x 203 x 102 Painted
A884SUG 8.00 x 8.00 x 4.00 203 x 203 x 102 Galvanized
A1084SU 10.00 x 8.00 x 4.00 254 x 203 x 102 Painted
A1084SUG 10.00 x 8.00 x 4.00 254 x 203 x 102 Galvanized
A10104SU 10.00 x 10.00 x 4.00 254 x 254 x 102 Painted
A10104SUG 10.00 x 10.00 x 4.00 254 x 254 x 102 Galvanized
A1264SU 12.00 x 6.00 x 4.00 305 x 152 x 102 Painted
A1264SUG 12.00 x 6.00 x 4.00 305 x 152 x 102 Galvanized
A1284SU 12.00 x 8.00 x 4.00 305 x 203 x 102 Painted
A1284SUG 12.00 x 8.00 x 4.00 305 x 203 x 102 Galvanized
A12104SU 12.00 x 10.00 x 4.00 305 x 254 x 102 Painted
A12104SUG 12.00 x 10.00 x 4.00 305 x 254 x 102 Galvanized
A12124SU 12.00 x 12.00 x 4.00 305 x 305 x 102 Painted
A12124SUG 12.00 x 12.00 x 4.00 305 x 305 x 102 Galvanized
A16124SU 16.00 x 12.00 x 4.00 406 x 305 x 102 Painted
A16124SUG 16.00 x 12.00 x 4.00 406 x 305 x 102 Galvanized
A16164SU 16.00 x 16.00 x 4.00 406 x 406 x 102 Painted
A16164SUG 16.00 x 16.00 x 4.00 406 x 406 x 102 Galvanized
A18124SU 18.00 x 12.00 x 4.00 457 x 305 x 102 Painted
A18124SUG 18.00 x 12.00 x 4.00 457 x 305 x 102 Galvanized
A18184SU 18.00 x 18.00 x 4.00 457 x 457 x 102 Painted
A18184SUG 18.00 x 18.00 x 4.00 457 x 457 x 102 Galvanized
A24124SU 24.00 x 12.00 x 4.00 610 x 305 x 102 Painted
A24124SUG 24.00 x 12.00 x 4.00 610 x 305 x 102 Galvanized
A24184SU 24.00 x 18.00 x 4.00 610 x 457 x 102 Painted
A24184SUG 24.00 x 18.00 x 4.00 610 x 457 x 102 Galvanized
A24244SU 24.00 x 24.00 x 4.00 610 x 610 x 102 Painted
A24244SUG 24.00 x 24.00 x 4.00 610 x 610 x 102 Galvanized
A30244SU 30.00 x 24.00 x 4.00 762 x 610 x 102 Painted
A30244SUG 30.00 x 24.00 x 4.00 762 x 610 x 102 Galvanized
A30304SU 30.00 x 30.00 x 4.00 762 x 762 x 102 Painted
A30304SUG 30.00 x 30.00 x 4.00 762 x 762 x 102 Galvanized
A36244SU 36.00 x 24.00 x 4.00 914 x 610 x 102 Painted
A36244SUG 36.00 x 24.00 x 4.00 914 x 610 x 102 Galvanized
A36364SU 36.00 x 36.00 x 4.00 914 x 914 x 102 Painted
A36364SUG 36.00 x 36.00 x 4.00 914 x 914 x 102 Galvanized