Eaton TP403SSBPF Square Outlet Box - NEC/CEC
Part Number: TP403SSBPF
Quick Summary
The Eaton TP403SSBPF square outlet box provides a rugged steel enclosure for surface conduit installations in industrial control panels. Installers often face cramped spaces, grounding reliability concerns, and complex knockout layouts that slow wiring and raise risk. This model aligns with NEC/CEC standards and is classified for Ordinary/Non-Hazardous Locations, featuring welded construction and a built-in ground screw with a pigtail lead. With a 4-inch box size, 30.3 cubic inches of capacity, and accessible side and bottom knockouts, it simplifies field wiring. For teams pursuing consistent enclosure performance, it pairs well with standard 4-inch square boxes and common conduit runs, delivering efficiency and reliability across industrial applications.
Product Information
Extended Description
TP403SSBPF Eaton: Eaton Crouse-Hinds series Square Outlet Box, (2) 1/2", (2) 1/2", (1) 3/4" E, 4", SSB, Conduit (no clamps), Welded, 2-1/8", Steel, (8) 1/2",(4) 1/2", (1) 3/4" E, Includes ground screw with pigtail lead, 30.3 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP403SSBPF
UPC
662279004112
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)
Bracket style
SSB
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
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
Eaton Specification Sheet - TP403SSBPF
Eaton Specification Sheet - TP403SSBPF
Feature: 4-inch square steel box with a capacity of 30.3 cubic inches. Business Impact: Provides ample space for conductors, terminations, and devices, reducing crowding and rework. Application: Ideal for control panels and junction enclosures in machinery and factory automation environments. Feature: Welded steel construction. Business Impact: Delivers durable, rigid housing that withstands routine handling and vibration in busy facilities, lowering maintenance and replacement costs. Application: Suitable for indoor industrial settings and high-traffic areas. Feature: Conduit (no clamps) with multiple knockouts (side and bottom). Business Impact: Streamlines conduit routing with fewer hardware requirements, saving install time and reducing part counts. Application: Quick field installs for standard conduit runs in electrical cabinets. Feature: Ground screw with pigtail lead. Business Impact: Ensures reliable grounding continuity, improving electrical safety and compliance. Application: Critical for equipment grounding in control panels and junction boxes. Feature: SSB bracket style, 4-inch box, 2-1/8" depth. Business Impact: Facilitates organized wiring with a compact footprint, enabling flush or near-flush mounting in constrained spaces. Application: Pair with 4-inch square boxes where space is limited inside enclosures. Feature: Lightweight at 0.84 lb. Business Impact: Eases handling, reduces shipping and installation effort, and speeds field deployment. Application: Particularly advantageous for technicians installing multiple boxes in large projects.
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FAQs
For successful installation, plan for a 4-inch square footprint with the 2-1/8 inch depth and use the side or bottom knockouts as needed. The unit supports conduit without clamps, and a ground screw with pigtail lead should be connected to the equipment grounding conductor. Ensure mounting to a compatible enclosure or surface and follow NEC/CEC guidelines for Ordinary/Non-Hazardous locations.
Key specs include a 4-inch box size, 30.3 cubic inches of capacity, 2-1/8 inch depth, welded steel construction, and eight 1/2 inch plus four 1/2 inch side knockouts with an additional 3/4 inch E knockout. The box is designed for conduit (no clamps) and includes a ground screw with pigtail, supporting organized, compliant terminations in compact spaces.
Yes. The TP403SSBPF is specified for Ordinary/Non-Hazardous Locations and complies with NEC/CEC standards, making it appropriate for standard factory floors, control rooms, and equipment housings where environmental hazards are not present. Its welded steel body and grounding provisions enhance reliability in everyday industrial use.
The TP403SSBPF aligns with NEC/CEC standards and is intended for Ordinary/Non-Hazardous Locations, supporting regulatory compliance for typical industrial installations. Supporting documentation and UL certification pages exist for related 4-inch steel square boxes, which helps verify safety and performance in US and Canadian applications.
The TP403SSBPF delivers faster wiring and fewer parts due to conduit-ready routing and integrated knockouts, reducing installation time and labor costs. Grounding is streamlined with a built-in ground screw, lowering troubleshooting and maintenance overhead. Its durable welded steel construction also reduces replacement cycles in demanding manufacturing environments.