4 x 2 Inch Rectangular Steel Handy Box With Combination Knockout

The 4" × 2" Rectangular Steel Handy Box With Raised Ground is designed for surface-mounted electrical wiring installations requiring reliable grounding connection.

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Product Standard

Detailed specification parameters

Product Name
4 x 2 Inch Rectangular Steel Handy Box With Combination Knockout
MOQ
3000
Size
4"*2"*1-7/8"
Material
Steel
Certification
UL
Model Number
HBC
Delivery Time
30
Supply Ability
500000

Product Details

Browse product details

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.

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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#SizeDepthHole SizeKnockoutsThickness
SidesEndsBottommm
HBC17812"x4"1-7/8"1/2"&3/4"4xCOM2xCOM1xCOM0.8-1.6
HBC17822"x4"1-7/8"1/2"&3/4"4xCOM2xCOM2xCOM0.8-1.6
HBC21812"x4"2-1/8"1/2"&3/4"4xCOM2xCOM1xCOM0.8-1.6
HBC21822"x4"2-1/8"1/2"&3/4"4xCOM2xCOM2xCOM0.8-1.6

Application

EMT conduit systems

Commercial electrical wiring

Industrial power distribution systems

Switch and receptacle installations

Residential surface wiring projects

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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

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