Eaton TP403PFRED Square Outlet Box - NEC/CEC Compliant
Part Number: TP403PFRED
Quick Summary
The Eaton TP403PFRED square outlet box is a rugged enclosure designed for reliable terminations in industrial control panels. It addresses common installation challenges such as limited space, multiple knockouts, and dependable grounding in tough environments. This model is NEC/CEC compliant and UL-listed for steel square boxes, ensuring code-ready performance across US and Canada. With a 4-inch square footprint and 30.3 cubic inches of capacity, it delivers durable termination access while enabling fast installation. For project teams, the TP403PFRED offers predictable fit within the Crouse-Hinds square-box family, reducing risk and maintenance while supporting efficient electrical infrastructure upgrades.
Product Information
Extended Description
TP403PFRED Eaton: Eaton Crouse-Hinds series square outlet box, (2) 1/2", (2) 3/4" bottom, Solid, 4" box, Red, Welded, 2-1/8" depth, (4) 1/2", (2) 1/2"+3/4" EKO end, Steel, (2) 1/2", (1) 1/2"+3/4" EKO side, Ground screw w/ pigtail lead, 30.3 cu in capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP403PFRED
UPC
662279176222
Product Length/Depth
2.25 in
Product Height
4 in
Product Width
4 in
Product Weight
0.92 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
30.3 cubic inch capacity
Depth
2-1/8"
Conduit/cable
Conduit (no clamps)
Construction
Welded
Box ground wire
Solid
Side knockouts
(2) 1/2", (1) 1/2" + 3/4" EKO
Bottom Knockouts
(2) 1/2", (2) 3/4"
End Knockouts
(4) 1/2", (2) 1/2" + 3/4" EKO
Color
Red
Material
Steel
Special features
Includes ground screw with pigtail lead
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
Steel Outlet Boxes for Electrical Systems
Feature: Welded steel construction with a solid ground wire and an included ground screw with pigtail lead. Business Impact: Delivers high durability, reliable grounding, and reduced rework in vibration-prone environments. Application: Suitable for control panels and junctions in ordinary locations where robust metal enclosures are required. Feature: 4" box size with a 2-1/8" depth and 30.3 cubic inches of capacity. Business Impact: Maximizes interior space for conductors, devices, and splices, improving wiring organization and ease of future modifications. Application: Ideal for medium-complexity panel terminations and compact enclosures in automation projects. Feature: Flexible knockouts configuration: side knockouts (two 1/2" and one 1/2"+3/4" EKO), bottom knockouts (two 1/2" and two 3/4"), end knockouts (four 1/2" plus two 1/2"+3/4" EKO). Business Impact: Enables diverse conduit routing and simplified field wiring without costly adapters. Application: Supports various installation layouts in sheet-metal enclosures and electrical infrastructure. Feature: Grounding enhancement through ground screw with pigtail and solid ground wire. Business Impact: Accelerates grounding procedures, reduces installation time, and improves safety margins. Application: Critical for reliable system grounding in electrical panels and junction assemblies. Feature: Material and finish—steel construction with red color coding. Business Impact: Provides rugged protection against impact and corrosion while offering visual identification in crowded equipment rooms. Application: Works well in industrial environments, including conveyor systems and machine enclosures. Feature: Compliance and certifications—NEC/CEC, Ordinary/Non-Hazardous Locations, UL listed. Business Impact: Ensures code compliance and simplifies audit trails, helping procurement reduce risk. Application: Essential for new builds and retrofits in regulated facilities and Canada/US installations.
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FAQs
TP403PFRED provides side knockouts (two 1/2" and one 1/2"+3/4" EKO), bottom knockouts (two 1/2" and two 3/4"), and end knockouts (four 1/2" plus two 1/2"+3/4" EKO). For conduit entries without clamps, choose the knockout configuration that aligns with your conduit plan, mount securely to panels or surfaces, and connect conductors using appropriate fittings. The ground screw with pigtail should be attached to establish a solid earth ground quickly.
Yes. This box is rated for Ordinary/Non-Hazardous Locations and conforms to NEC/CEC standards. It is UL listed for steel square outlet boxes, which provides assurance for code compliance and certification documentation during audits and inspections, simplifying procurement and installation in US and Canadian facilities.
The TP403PFRED is a 4-inch square box with a 2-1/8-inch depth, measuring 4" x 4" on the face and offering a 30.3 cubic inch interior capacity. It weighs about 0.92 lb, and the welded steel construction ensures durability for industrial terminations in control panels and junctions.
This model includes a ground screw with a pigtail lead and a solid ground wire, enabling fast, reliable grounding during initial assembly and future maintenance. Proper grounding reduces fault risks, improves safety, and supports compliant circuit protection in industrial installations.
TP403PFRED is ideal for 4-inch steel square box applications in industrial automation, including control panels, junction boxes, and electrical infrastructure in ordinary locations. Its welded steel construction, multiple knockouts, and NEC/CEC compliance make it a dependable choice for standard enclosure needs within Eaton’s Crouse-Hinds family.