4" × 2" Rectangular Steel Handy Box With Combination Knockout
Description
he 4" × 2" Rectangular Steel Handy Box With Combination Knockout is designed for surface-mounted electrical conduit installations requiring flexible conduit entry options. Manufactured from high-quality pre-galvanized steel, this handy box provides strong mechanical protection and secure enclosure for wiring devices.
The combination knockout design (1/2"–3/4") allows installers to use either conduit size without additional modification, improving installation efficiency and reducing inventory complexity. It is widely used in EMT conduit systems for commercial and industrial electrical applications.
Specification
Product Name:4" × 2" Rectangular Steel Handy Box With Combination Knockout
Material: Pre-Galvanized Steel / Galvanized Steel
Size: 4 inch × 2 inch
Depth: 1-7/8",2-1/8"
Thickness: 0.8mm – 1.6mm
Knockout Type: Combination Knockout (1/2" & 3/4")
Installation Type: Surface mounted
Finish: Zinc coated
Grounding: Integrated raised ground
Standard: UL
OEM/ODM: Supported
| CAT# | Size | Depth | Hole Size | Knockouts | Thickness | ||
|---|---|---|---|---|---|---|---|
| Sides | Ends | Bottom | mm | ||||
| HBC1781 | 2"x4" | 1-7/8" | 1/2"&3/4" | 4xCOM | 2xCOM | 1xCOM | 0.8-1.6 |
| HBC1782 | 2"x4" | 1-7/8" | 1/2"&3/4" | 4xCOM | 2xCOM | 2xCOM | 0.8-1.6 |
| HBC2181 | 2"x4" | 2-1/8" | 1/2"&3/4" | 4xCOM | 2xCOM | 1xCOM | 0.8-1.6 |
| HBC2182 | 2"x4" | 2-1/8" | 1/2"&3/4" | 4xCOM | 2xCOM | 2xCOM | 0.8-1.6 |
Application
EMT conduit systems
Commercial electrical wiring
Industrial power distribution systems
Switch and receptacle installations
Residential surface wiring projects
Packing
Standard export carton
Inner plastic bag protection available
Pallet packing available
Customized packaging supported
Advantage
- Combination knockouts for flexible 1/2" & 3/4" conduit entry
- High-strength galvanized steel construction
- Excellent corrosion resistance
- Precise stamping for easy installation
- Smooth edges for safer handling
- Stable production capacity for bulk orders
- Strict quality control before shipment
Tags
4x2 Handy Box, Steel Handy Box With Ground, Raised Ground Electrical Box, Rectangular Junction Box, EMT Electrical Box, Galvanized Metal Box, Surface Mount Electrical Box
