Eaton TP317 Octagon Outlet Box - Fixture rated
Part Number: TP317
Quick Summary
TP317 is a rugged octagon outlet box for industrial wiring in control panels and electrical enclosures. It addresses the common challenge of finding a fixture-rated box that both fits standard knockouts and maintains NEC/CEC compliance in cramped installations. The box is UL-listed for ordinary/non-hazardous locations, constructed from steel for durability in harsh environments, and it provides a generous 21.5 cubic inch capacity to handle conductors and devices without crowding. With a standard 4 inch box size and a 2-1/8 inch depth, TP317 supports secure mounting and reliable cable entry using AC/MC clamps. In practice, this translates to faster field assembly, reduced rework, and sustained regulatory alignment across automation projects.
Product Information
Extended Description
TP317 Eaton: Eaton Crouse-Hinds series Octagon Outlet Box, (1) 1/2", 4", 4, AC/MC clamps, 2-1/8", Steel, (2) 1/2", Fixture rated, 21.5 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon outlet box
Catalog Number
TP317
UPC
786189103175
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.69 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Depth
2-1/8"
Capacity
21.5 cubic in
Conduit/cable
AC/MC clamps
Cable knockouts
4
Side knockouts
(2) 1/2 in
Bottom Knockouts
(1) 1/2 in
Material
Steel
Special features
Fixture rated
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 - TP317
Eaton Specification Sheet - TP317
Feature: 4 in steel octagon box with 21.5 cubic inch capacity and a 2-1/8 inch depth. Business impact: Provides ample space for conductors, splices, and devices, reducing overcrowding and improving termination reliability. Application: Ideal for control panels and automation enclosures where space efficiency and accessibility are critical. Feature: Fixture-rated capability with AC/MC clamps. Business impact: Ensures compatibility with fixtures and secure wiring that stays compliant with NEC/CEC in ongoing operations. Application: Suitable for installations requiring fixture options and robust clamp support in industrial environments. Feature: Cable knockouts: 4, plus side knockouts (2x 1/2 in) and bottom knockout (1/2 in). Business impact: Enables flexible routing for diverse cable schemes and simplifies field termination. Application: Supports direct wiring from multiple conduit entries into a single box in control panels. Feature: Material and weight: steel construction, approximately 0.69 lb. Business impact: Delivers durable, impact-resistant performance while remaining manageable for technicians during installation. Application: Appropriate for harsh factory floors and rugged automation infrastructure. Feature: Certifications and standards: NEC/CEC compliance, Ordinary/Non-Hazardous Area classification, UL-listed. Business impact: Streamlines procurement and reduces regulatory risk by aligning with common industrial specs. Application: Fits standard safety programs and cross-manufacturer validation across Eaton and third-party components. Feature: Compatibility and resources: designed for Eaton Crouse-Hinds series accessories; supported by catalogs and datasheets. Business impact: Accelerates integration with existing infrastructure and shortens design-to-install time. Application: Use with Eaton specification sheets and catalog references for fast, reliable deployment in electrical infrastructure projects.
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FAQs
TP317 is a standard 4 in steel octagon outlet box designed to fit the common 4 in box footprint used in industrial enclosures. It includes four cable knockouts, side knockouts of (2) 1/2 in, bottom knockout of (1) 1/2 in, and supports AC/MC clamps. This combination enables flexible wiring entry and secure terminations while preserving NEC/CEC compliance.
TP317 measures 4 inches in length and width, with a depth of 2-1/8 inches, and provides a total internal capacity of 21.5 cubic inches. The body is steel and weighs approximately 0.69 lb. These specifications help plan conductor counts, splicing volumes, and device termination within a compact footprint.
Yes. TP317 is designed for Ordinary/Non-Hazardous Locations and conforms to NEC/CEC standards. UL-listed for metal outlet boxes, it is appropriate for non-hazardous industrial environments, enabling straightforward approval in typical control panels and electrical infrastructure projects.
TP317 carries NEC/CEC standards and UL listing for steel octagon outlet boxes, with area classification of Ordinary/Non-Hazardous Locations. UL certification pages for Crouse-Hinds steel octagon boxes provide formal validation; Eaton’s catalog pages and spec sheets also offer authoritative technical details for procurement.
TP317 improves maintenance economics by reducing field rework through ample internal capacity, sturdy steel construction, and fixture-rated compatibility that lowers wiring rework. Its compatibility with AC/MC clamps and standard knockouts accelerates installation, while UL/NEC/CEC compliance minimizes regulatory risk, delivering faster deployment and longer-term reliability in automation facilities.