Eaton TP423RED 4-Inch Square Outlet Box – NEC/CEC
Part Number: TP423RED
Quick Summary
Eaton TP423RED is a 4-inch steel square outlet box designed for robust conduit installations in industrial environments. In the field, installers often struggle with secure wiring, proper knockouts, and long-term corrosion resistance in confined spaces. This unit is NEC/CEC compliant and UL-listed for ordinary/non-hazardous locations, ensuring safe, code-compliant operation. For control panels and industrial enclosures, it delivers reliable routing with welded steel construction, convenient knockouts, and a compact footprint that reduces installation time and rework, while supporting efficient wiring practices for automation projects.
Product Information
Extended Description
TP423RED Eaton: Eaton Crouse-Hinds series Square Outlet Box, (2) 1/2", (2) 1/2", (1) 3/4" E, 4", VMS, Red, Conduit (no clamps), Welded, 1-1/2", Steel, (6) 1/2", (3) 1/2", (1) 3/4" E, 22.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP423RED
UPC
662279000435
Product Length/Depth
4 in
Product Height
1.5 in
Product Width
4 in
Product Weight
0.83 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
22 cubic in
Depth
1-1/2"
Conduit/cable
Conduit (no clamps)
Bracket style
VMS
Construction
Welded
Side knockouts
(6) 1/2 in, (3) 1/2 in, (1) 3/4 in E
Bottom Knockouts
(2) 1/2 in, (2) 1/2 in, (1) 3/4 in E
Color
Red
Material
Steel
Crouse-Hinds series 4-Inch Steel Square Boxes and Covers catalog page
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings UL certification
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings UL certification
Eaton Specification Sheet - TP423RED
Eaton Specification Sheet - TP423RED
TP423RED combines a rugged 4-inch steel square box with a 22 cubic inch capacity, enabling more terminations and easier organization in control panels. This feature translates to improved wiring efficiency and reduced field rework, especially in high-density automation assemblies. The welded steel construction provides superior impact resistance and durability in harsh industrial environments, while corrosion resistance lowers long-term maintenance costs. The box includes multiple knockouts—(6) side 1/2 in, (3) side 1/2 in, (1) 3/4 in E, and bottom (2) 1/2 in, (2) 1/2 in, (1) 3/4 in E)—plus conduit entries with no clamps, enabling flexible routing for complex installations. VMS bracket styling simplifies mounting alignment and reduces installation time, making it ideal for rapid panel builds. Color coding in red aids inventory control on crowded shop floors, while NEC/CEC compliance and ordinary/non-hazardous location suitability provide regulatory confidence for automation projects. The 1-1/2 inch depth and 0.83 lb weight support easy handling and installation in tight spaces without sacrificing strength.
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FAQs
The TP423RED provides (6) side knockouts at 1/2 inch, (3) additional 1/2 inch knockouts, and (1) 3/4 inch E knockout on the side, with bottom knockouts of (2) 1/2 inch, (2) 1/2 inch, and (1) 3/4 inch E. It is specified for conduit entries without clamps, offering flexible routing for 4-inch square boxes in industrial panels.
Yes. The TP423RED is UL-listed for 4-inch steel square outlet boxes and complies with NEC/CEC standards for ordinary/non-hazardous locations. This combination provides regulatory confidence, supports code-compliant installations, and helps streamline inspections in automation environments.
The TP423RED features a 4-inch square footprint with a 1-1/2 inch depth and a height of 1.5 inches. It weighs approximately 0.83 pounds and offers a 22 cubic inch internal capacity, enabling ample space for wiring terminations while remaining compact for panel mounting.
Yes. The TP423RED uses a VMS bracket style for straightforward mounting and alignment within enclosures or panels. The welded steel construction provides rigidity, and the standard 4-inch box size accommodates common control components, speeding installation and improving panel reliability.
TP423RED is ideal for industrial automation and control panel applications requiring robust, regulatory-compliant square outlet boxes. It suits junctions and terminations in ordinary/non-hazardous locations, where quick installation, durable construction, and reliable conduit routing are critical for process control, machinery, and manufacturing environments.