Eaton TP634 Octagon Concrete Box - 4 in Steel, NEC/CEC
Part Number: TP634
Quick Summary
The Eaton TP634 octagon concrete box provides rugged, weather-resistant housing for electrical connections in concrete wall installations. It addresses space constraints, knockouts alignment, and non-hazardous location requirements that slow projects. The enclosure meets NEC/CEC standards and UL-listed Canadian certification, along with ordinary/non-hazardous area classification, ensuring compliance across jurisdictions. For project teams, this translates to faster installs, clearer conduit planning, and reliable, durable performance in industrial automation and electrical infrastructure applications. The design supports seamless compatibility with standard 4-inch steel boxes, delivering business value through safety and efficiency.
Product Information
Extended Description
TP634 Eaton: Eaton Crouse-Hinds series Octagon Concrete Box, 4", 3", Steel, 1" and 3/4" single row, 43.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon concrete box
Catalog Number
TP634
UPC
786189106343
Product Length/Depth
4 in
Product Height
3 in
Product Width
4 in
Product Weight
1 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Material
Steel
Box size
4"
Depth
3"
Side knockouts
1 in and 3/4 in single row
Capacity
43 cubic in
Crouse-Hinds series 4-Inch Steel Octagon Concrete Boxes catalog page
4-Inch Steel Octagon Concrete Boxes Canadian certification
4-Inch Steel Octagon Concrete Boxes Canadian certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
The TP634 combines a 4-inch steel octagon housing with a generous 43 cubic inch capacity, enabling multiple conductors and devices in a single enclosure and reducing the need for auxiliary boxes. This translates to faster wiring, less field modification, and lower labor costs on busy installation sites. The 1 inch and 3/4 inch side knockouts in a single row streamline conduit planning and entry management, improving overall wiring topology in industrial installations. Its 4 by 4 by 3 inch footprint fits compact layouts while maintaining robust protection for connections in concrete walls, supporting easier mounting and transport. Built to ordinary/non-hazardous location standards with NEC/CEC compliance, the TP634 offers cross-border regulatory peace of mind and safer, compliant installations in automation facilities. Industry professionals gain predictable performance, reduced risk, and smoother procurement when integrating this box into steel conduit systems and steel outlet box ecosystems.
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FAQs
TP634 is designed for concrete wall installations in industrial and commercial settings. It provides 43 cubic inches of internal capacity with 4x4x3 inch overall dimensions, 1 and 3/4 inch knockouts, and NEC/CEC compliance, making it ideal for housing multiple conductors and devices in ordinary locations while simplifying conduit planning.
Begin by selecting the appropriate knockout entries for your conductors, align the box against the mounting surface, and secure with suitable fasteners. Route conductors through the 1 in and 3/4 in knockouts, seal entries to maintain enclosure integrity, and terminate connections inside the 43 cu in cavity. Ensure NEC/CEC compliance throughout wiring.
Yes. TP634 is designed to meet NEC/CEC standards for ordinary/non-hazardous locations, and UL-listed Canadian certifications are provided to support cross-border use. This combination helps ensure regulatory acceptance in multi-jurisdiction projects and simplifies procurement for global automation initiatives.
TP634 is well-suited for control panel housings, conduit junctions, and embedded electrical connections within concrete infrastructure. Its steel construction, 43 cubic inch capacity, and standard 4-inch box size support reliable wiring, easy maintenance, and compatibility with steel outlet boxes in automation environments.
TP634 weighs 1 lb and measures 4 in by 4 in by 3 in, offering a compact but robust enclosure. The lightweight yet sturdy design simplifies handling and mounting, reduces load on mounting points, and enables easier integration in tight spaces without compromising conduit protection or capacity.