Eaton TP403RED Square Outlet Box - 30.3 cu in capacity
Part Number: TP403RED
Quick Summary
TP403RED Square Outlet Box by Eaton protects wiring in 4-inch steel enclosures for control panels and junctions. In busy industrial settings, securing wiring and meeting evolving code requirements is a constant challenge. This model aligns with NEC/CEC standards for ordinary locations and benefits from welded steel construction for long-term durability. Its 30.3 cubic inch capacity and multiple conduit options support scalable wiring and faster installations, while the red finish enhances visibility in crowded panels. As part of the Crouse-Hinds series, it integrates smoothly with standard enclosure ecosystems, offering reliable compatibility with common conduit fittings and 4-inch square boxes.
Product Information
Extended Description
TP403RED Eaton: Eaton Crouse-Hinds series Square Outlet Box, (2) 1/2", (2) 1/2", (1) 3/4" E, 4", Red, Conduit (no clamps), Welded, 2-1/8", Steel, (8) 1/2",(4) 1/2", (1) 3/4" E, 30.3 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP403RED
UPC
662279000428
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.84 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
30.3 cubic in
Depth
2-1/8"
Conduit/cable
Conduit (no clamps)
Construction
Welded
Side knockouts
(8) 1/2 in, (4) 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 Canadian certification
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings Canadian certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
Welded steel construction provides superior durability and security in harsh manufacturing environments, reducing maintenance and replacement costs over the life of a facility. The 4-inch square footprint with a 30.3 cubic inch capacity delivers ample wiring space for controllers, relays, and connectors, enabling cleaner terminations and faster panel assembly. Wide knockouts on the sides and bottom, including multiple 1/2 inch entries and a 3/4 inch E, plus conduit entries with no clamps, offer flexible routing that minimizes field rework and Improves installation efficiency. The steel box’s red color aids visibility and safety on crowded panels, helping technicians locate critical enclosures quickly. NEC/CEC compliance for ordinary locations provides regulatory assurance and simplifies procurement for non-hazardous industrial settings. Measuring 4 inches by 4 inches with a depth of 2-1/8 inches, the TP403RED balances space and accessibility for typical automation installs.
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FAQs
The TP403RED supports conduit entries without clamps and provides multiple knockouts on the sides and bottom, including eight 1/2 in knockouts, four additional 1/2 in knockouts, and a 3/4 in E knockout. This enables flexible wiring routes and reduces the need for extra fittings, speeding up field installations for control panels and machine enclosures.
TP403RED is a 4-inch square, 2-1/8-inch deep welded steel box with a capacity of 30.3 cubic inches. It weighs about 0.84 lb and is designed to accommodate typical industrial wiring and devices in clean, non-hazardous environments, providing ample space for termination and organization.
Yes. The TP403RED conforms to NEC/CEC standards and is rated for Ordinary/Non-Hazardous Locations, making it suitable for standard industrial applications such as control panels and junctions in non-extreme environments. This simplifies compliance during procurement and installation while ensuring code-aligned electrical installations.
The product is listed for ordinary locations under NEC/CEC, and Canadian certification references appear in Eaton’s documentation and UL pages for 4-inch square boxes. For Canadian projects, verify UL/CSA certification status with the latest supplier literature and local regulatory requirements to ensure full compliance.
With welded steel construction, a compact 4x4 inch footprint, and a 30.3 cu in capacity, TP403RED reduces enclosure count and wiring complexity. The multiple knockouts and conduit-less entry simplify wiring, shorten installation time, and minimize part inventories, delivering lower labor costs and faster time-to-market for machine builds and panel refurbishments.