Eaton TP312 Octagon Outlet Box - NEC/CEC
Part Number: TP312
Quick Summary
Eaton TP312 Octagon Outlet Box is a steel enclosure designed for clean, reliable electrical terminations in industrial environments. Engineers frequently struggle with space constraints and mounting ruggedness in non-hazardous locations. This Crouse-Hinds series box meets NEC/CEC requirements and UL certifications, providing confidence for steel outlet boxes in everyday panel and junction applications. By delivering a precise 4 in box with 15.5 cubic inches of capacity and a single 1/2 in bottom knockout, it supports fast, code-compliant wiring and reduced rework. Its familiar form factor and mounting compatibility with standard covers streamline installation, inspection, and maintenance, helping procurement teams reduce risk and cycle time.
Product Information
Extended Description
TP312 Eaton: Eaton Crouse-Hinds series Octagon Outlet Box, (1) 1/2", 4", 15.5 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon outlet box
Catalog Number
TP312
UPC
786189103120
Product Length/Depth
4 in
Product Height
1.5 in
Product Width
4 in
Product Weight
0.73 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
15.5 cubic in
Bottom Knockouts
(1) 1/2 in
Crouse-Hinds series Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans catalog page
Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans UL certification
Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans UL certification
Eaton Specification Sheet - TP312
Eaton Specification Sheet - TP312
The TP312's rugged steel construction belongs to Eaton’s Crouse-Hinds series octagon outlet boxes, delivering durability in vibration-prone environments. This feature reduces wear on wiring connections and protects splices from incidental contact, translating to lower maintenance costs over the equipment’s life. In applications like control panels and surface-mounted enclosures, the robust enclosure helps operators rely on consistent connections even in busy production floors. Exact dimensions support predictable layouts: a 4 in square footprint, 1.5 in height, and a capacity of 15.5 cubic inches. A single bottom knockout of 1/2 in entry simplifies conduit routing, while the 0.73 lb weight aids handling and mounting in tight spaces. These specs enable faster wiring, easier access for terminations, and compatibility with standard covers. Code compliance and certifications are central to value, with NEC/CEC standards and UL certification for steel octagon boxes in the US and Canada, reducing compliance risk. Installation advantages extend from footprint to mounting, with standard patterns and compatible covers that accelerate installation and maintenance cycles. Long-term lifecycle value comes from reduced rework and predictable performance in non-hazardous environments, delivering safer terminations and lower downtime.
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FAQs
The TP312 is a 4 in square steel octagon box with a 15.5 cubic inch capacity and includes one bottom knockout of 1/2 inch. This configuration supports standard conduit entry and provides ample space for splices and terminal connections in non-hazardous industrial environments.
Yes. The TP312 is designed for ordinary/non-hazardous locations and aligns with NEC/CEC standards. It is UL-listed for steel octagon boxes in both the US and Canada, helping you meet regulatory requirements with a proven, code-compliant enclosure.
The TP312 provides a precise 4x4 inch footprint, 15.5 cu in capacity, and a bottom knockout for straightforward conduit routing. Its lightweight yet rugged steel construction simplifies mounting, reduces handling time, and is compatible with standard covers, enabling faster installation and easier maintenance in busy facilities.
The TP312 carries NEC/CEC standards alignment for ordinary locations and UL certification for steel octagon boxes, with additional UL certification coverage for both US and Canada. This combination strengthens compliance during audits and supports consistent performance across plant sites.
TP312’s durable steel build, reliable terminations, and straightforward installation reduce rework and downtime. Its compatibility with standard covers and proven NEC/CEC compliance help maintain regulatory alignment, contributing to lower lifecycle costs and faster project execution in non-hazardous industrial settings.