Eaton TP404SSBPF Square Outlet Box - 22 cu in
Part Number: TP404SSBPF
Quick Summary
TP404SSBPF is a square outlet box designed for 4-inch steel enclosures used in rugged industrial wiring. Installers often struggle with limited space, grounding, and clamping options in tight panels. This box meets NEC/CEC standards for ordinary locations and Canadian certifications, with welded steel construction that withstands harsh environments. The 22 cu in capacity supports multiple conductors while maintaining code-compliant clearances. By integrating a ground screw with pigtail and a robust knockout layout, it helps engineers streamline wiring diagrams and procurement, reducing rework and inventory diversity in industrial control panels and electrical infrastructure projects.
Product Information
Extended Description
TP404SSBPF Eaton: Eaton Crouse-Hinds series Square Outlet Box, (2) 1/2", (2) 1/2", (1) 3/4" E, 4", SSB, Conduit (no clamps), Welded, 1-1/2", Steel, (8) 1/2",(4) 1/2", (1) 3/4" E, Includes ground screw with pigtail lead, 22.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP404SSBPF
UPC
786189000726
Product Length/Depth
4 in
Product Height
1.5 in
Product Width
4 in
Product Weight
0.84 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
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 Canadian certification
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings Canadian certification
Eaton Specification Sheet - TP404SSBPF
Eaton Specification Sheet - TP404SSBPF
Feature: Welded steel construction provides high durability and long service life in industrial environments. Business Impact: Reduces replacement costs and downtime due to impact and vibration, enabling safer, more reliable installations in machinery and panels. Application: Suitable for control cabinets and electrical enclosures where rugged metal boxes are required. Feature: 4-inch square box size with 22 cubic inch capacity supports additional conductors without crowding. Business Impact: Improves wiring density management and simplifies compliance with NEC/CEC fill requirements. Application: Ideal for 4-inch square outlet box installations in machines and conveyors. Feature: (8) side knockouts and (2) bottom knockouts plus (1) 3/4 inch E knockout provide flexible routing options. Business Impact: Reduces the need for aftermarket adaptors, saving time and material costs on-site. Application: Common in non-hazardous locations with mixed conduit runs. Feature: Ground screw with pigtail lead is included. Business Impact: Ensures reliable grounding continuity and faster bonding during panel assembly. Application: Critical for safety and code compliance in industrial systems. Feature: Conduit (no clamps) compatibility simplifies installation and reduces parts count. Business Impact: Lowers hardware costs and speeds up field wiring. Application: Fits standard conduit runs in new builds or upgrades. Feature: Welded construction and bottom/side knockout distribution support consistent mounting and alignment. Business Impact: Improves enclosure fitment and reduces retrofit work. Application: Applies to retrofit and new installations in heavy-duty environments.
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FAQs
TP404SSBPF is designed for 4-inch square boxes and accepts standard conduit entries with multiple knockouts. Its welded steel construction and integrated ground screw with pigtail simplify mounting in control panels, while the knockout pattern (side and bottom) offers flexible routing without clamps.
Key specs include a 4-inch square box size, 22 cubic inch capacity, 1-1/2 inch depth, and side knockouts totaling eight 1/2 inch plus four 1/2 inch and one 3/4 inch E on the sides, with similar bottom knockouts. It uses steel construction and is suitable for NEC/CEC installations in ordinary locations.
This box is ideal for control panels, machine frames, and enclosures in non-hazardous locations where a durable, metal 4-inch square box is required. It supports clean grounding, organized conduit routing, and reliable enclosure integrity in manufacturing lines and automated systems.
TP404SSBPF complies with NEC/CEC standards for ordinary locations and carries Canadian certification references. It is designed for reliable installations in non-hazardous environments and aligns with common industrial wiring practices for steel square boxes.
Key ROI drivers include the included ground screw with pigtail, conduit-compatible knockout layout (no clamps), and welded steel durability that reduces replacement cycles. Its 22 cu in capacity supports denser wiring in a single box, lowering parts and labor costs during panel builds and upgrades.