Eaton TP403GRED Square Outlet Box - NEC/CEC Steel
Part Number: TP403GRED
Quick Summary
Eaton Crouse-Hinds square outlet box is a rugged steel enclosure designed for 4-inch, non-hazardous electrical installations in industrial facilities. Field installation delays often hinge on limited knockouts and uncertain grounding, which this box helps resolve. It aligns with NEC/CEC standards, includes a welded steel body, and features a pre-installed ground screw for faster, compliant grounding. Secondary benefits include visibility with red color, 30.3 cubic inch capacity for control wiring, and compatibility with standard conduit layouts—delivering real business value.
Product Information
Extended Description
TP403GRED Eaton: Eaton Crouse-Hinds series square outlet box, (2) 1/2", (2) 3/4" bottom KOs, Solid, 4" box, Red, Welded, 2-1/8" depth, (4) 1/2", (2) 1/2" + 3/4" EKO end, Steel, (4) 1/2", (2) 1/2" + 3/4" EKO side, Ground screw, 30.3 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP403GRED
UPC
662279176215
Product Length/Depth
2.25 in
Product Height
4 in
Product Width
4 in
Product Weight
0.65 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
(4) 1/2", (2) 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
Ground screw installed
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 → Business Impact → Application: The welded steel construction delivers rugged durability that withstands harsh environments, reducing maintenance cycles and downtime in critical automation spaces. This robustness translates to longer service life in control cabinets and outdoor installations, supporting safer, longer-lasting operations. Application: ideal for 4-inch square box installs in industrial facilities, supporting motor starters and control circuits with dependable protection. Feature → Business Impact → Application: The 30.3 cubic inch capacity accommodates typical wiring densities in compact panels, enabling more efficient layouts and fewer enclosure upgrades. Application: suitable for panel upgrades and retrofit projects where space is at a premium. Feature → Business Impact → Application: Multiple knockouts (side, bottom, end with EKO options) provide wiring flexibility for diverse conduit schemes, reducing field modification time and expense. Application: supports flexible routing in conveyor lines and junction points. Feature → Business Impact → Application: Pre-installed ground screw and solid ground wire simplify grounding, lowering installation risk and ensuring NEC/CEC compliance. Application: beneficial for new builds and service continuity in non-hazardous environments. Feature → Business Impact → Application: Red color enhances visibility for quick identification in busy industrial spaces, aiding safety and maintenance workflows. Application: helps technicians locate enclosures faster during routine checks.
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FAQs
Consider knockout layout first: this box offers side knockouts, bottom knockouts, and end knockouts with EKO options to support diverse conduit routing. Its 2-1/8" depth and 4" box size fit typical control panel footprints, while the solid ground wire and welded steel body ensure secure, durable field wiring and faster overall installation.
The enclosure is designed to NEC/CEC standards and features a welded steel construction with a pre-installed ground screw for reliable grounding. Its Ordinary/Non-Hazardous location suitability helps streamline audits and reduces rework when wiring in standard industrial environments.
Yes. Its 4-inch square box size, red visibility color, and multiple knockouts support flexible conduit routing for control panels and motor starters. The 30.3 cu in capacity accommodates typical low to mid power wiring, and there is no clamp requirement for conduit, simplifying on-site installation.
Key specs include a 30.3 cubic inch capacity, 2-1/8 inch depth, 4 inch box size, welded steel construction, solid ground wire, and side, bottom, and end knockouts with EKO options. The enclosure weighs 0.65 lb and is designed for ordinary location use under NEC/CEC guidelines.
Investment benefits come from reduced field modifications thanks to multiple knockouts, faster grounding with a pre-installed ground screw, and durable steel protection that lowers maintenance and downtime. The box’s compatibility with standard conduits and compact depth also shortens install times in new builds and upgrades, delivering tangible lifecycle savings.