Eaton TP635 Octagon Concrete Box - UL Listed Steel
Part Number: TP635
Quick Summary
The Eaton TP635 Octagon Concrete Box provides rugged steel enclosure functionality for electrical connections in concrete-wall installations. Installers often struggle with durable knockouts and reliable protection in harsh environments, which TP635 helps mitigate. UL certification and NEC/CEC compliance underpin safe, code-ready installations, while ordinary/non-hazardous area ratings confirm suitability. In practice, this steel 4 in by 3-1/2 in box supports reliable wiring, reduces field modifications, and streamlines procurement. With 43 cubic inches of capacity and 1/2 inch double-row knockouts, it accommodates conduit runs and fittings while maintaining a compact footprint. This combination of rugged steel construction, reliable sealing in ordinary locations, and industry-standard clearance supports faster installs and reduced lifecycle costs.
Product Information
Extended Description
TP635 Eaton: Eaton Crouse-Hinds series Octagon Concrete Box, 4", 3-1/2", Steel, 1/2" double row, 43.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon concrete box
Catalog Number
TP635
UPC
786189106350
Product Length/Depth
4 in
Product Height
3.5 in
Product Width
4 in
Product Weight
0.93 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Material
Steel
Box size
4"
Depth
3-1/2"
Side knockouts
1/2 in double row
Capacity
43 cubic in
Crouse-Hinds series 4-Inch Steel Octagon Concrete Boxes catalog page
4-Inch Steel Octagon Concrete Boxes UL certification
4-Inch Steel Octagon Concrete Boxes UL certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
Feature steel construction and octagon shape deliver rugged protection for conduit and wiring, reducing risk of damage in concrete-wall installations. Business Impact improved durability translates to longer service life and lower maintenance costs, enabling faster project completion in industrial plants. Application ideal for surface-mounted electrical connections in harsh environments where space is constrained and code compliance is mandatory. Feature 4 inch box size with 3-1/2 inch depth and 43 cubic inch capacity provides ample room for conductors and splices without overcrowding. Business Impact supports efficient wiring layouts, reduces the need for field extensions or revisions, and shortens installation cycles in control panels and junctions. Application suits electrical crews in manufacturing facilities and process plants needing reliable, code-compliant enclosures. Feature 1/2 inch double-row side knockouts offer flexible conduit options and simplified routing. Business Impact lowers installation time and material waste by enabling quicker conduit connections, improving overall project productivity. Application across concrete walls in industrial buildings, where precise knockout placement matters for neat, compliant wiring. Feature UL certification and NEC/CEC compliance provide regulatory assurance. Business Impact minimizes inspection delays and rework costs, safeguarding project schedules. Application critical for facilities with strict electrical codes, including oil and gas, manufacturing, and commercial installations. Feature Ordinary/Non-Hazardous area rating clarifies appropriate environments, reducing unnecessary protective measures. Business Impact lowers total cost of ownership by avoiding over-engineered solutions while preserving safety. Application in standard plant environments where corrosion and exposure are limited. Feature Weight of 0.93 lb and compact footprint support easy handling and inventory management. Business Impact reduces shipping costs and on-site fatigue during installation. Application in tight spaces or retrofit projects where maneuverability matters.
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FAQs
The TP635 is a 4 in x 3-1/2 in steel octagon box with 1/2 in double-row knockouts and a 43 cu in capacity. It is designed for concrete-wall installations in ordinary locations, offering straightforward mounting, predictable knockout positions, and compatibility with standard conduit fittings. Plan for proper seal and compression around conduit entries to maintain enclosure integrity and code compliance.
The TP635 is NEC/CEC compliant and UL certified, ensuring it meets national electrical codes and safety standards for metal outlet boxes in ordinary (non-hazardous) locations. This reduces inspection cycles and rework while providing assurance that wiring, splices, and terminations inside the box stay within code limits and safety guidelines.
Yes. The TP635 features 1/2 inch double-row side knockouts, allowing conventional 1/2 inch conduit connections and fittings. Its steel construction provides robust support for conduit routing in concrete walls, while the box size and capacity accommodate typical splicing volumes without crowding. Verify knockout pattern during planning to align with your conduit runs.
The TP635 is intended for ordinary/non-hazardous locations, making it ideal for plant floors, control panel enclosures, and wall-mounted junctions in manufacturing facilities. Its 43 cu in capacity and steel construction support reliable wiring in environments where protection from impact and wear is essential, while staying compliant with NEC/CEC and UL requirements.
Using the TP635 can reduce field modifications and rework due to its precise knockouts, capacity, and durable steel construction, translating to faster installs and lower labor costs. UL/NEC/CEC compliance minimizes inspection delays, while the sturdy enclosure reduces maintenance needs over time, contributing to lower total cost of ownership across multiple projects.