Eaton TP316 Octagon Outlet Box - Fixture Rated
Part Number: TP316
Quick Summary
The Eaton TP316 Octagon Outlet Box provides rugged, fixture-rated electrical enclosure for industrial control panels and conduit runs. Installers face fit, knockout alignment, and mounting challenges in harsh environments; this box helps reduce rework. It supports NEC/CEC standards with ordinary/non-hazardous location certification and Canadian approval for cross-border projects. With steel construction and fixture-rated capability, it delivers durable, code-compliant installations that save time and labor. Ideal for steel enclosures, NM clamp wiring, and standard 4-inch box applications in manufacturing environments for reliable, compliant installations.
Product Information
Extended Description
TP316 Eaton: Eaton Crouse-Hinds series Octagon Outlet Box, (1) 1/2", 4", 4, NM 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
TP316
UPC
786189103168
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.68 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
NM 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 Canadian certification
Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans Canadian certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
Feature: 4 inch box size with 4 cable knockouts and a 2-1/8 inch depth, 21.5 cubic inches of capacity, and NM clamps. Business Impact: Maximizes internal wiring space while maintaining a compact footprint, reducing the need for additional boxes and accelerating panel builds. Application: Suitable for control panels and machine enclosures in rugged factory settings. Feature: Steel, fixture-rated construction enhances durability and long-term reliability. Business Impact: Improves uptime and lowers replacement costs in harsh environments. Application: Ideal for ordinary locations in manufacturing facilities where fixture mounting is routine. Feature: Side knockouts (two 1/2 inch) and bottom knockout (one 1/2 inch) plus four general cable knockouts. Business Impact: Flexible conduit routing supports clean wiring harnesses and quick fixture installation. Application: Common in electrical installations requiring adaptable wiring paths. Feature: NEC/CEC compliance and Crouse-Hinds series compatibility. Business Impact: Simplifies compliance documentation and integration with existing accessories. Application: Facilitates seamless upgrades within established Eaton/Crouse-Hinds infrastructure. Feature: Fixture-rated, steel construction with cross-border certification. Business Impact: Reduces commissioning time and regulatory risk for domestic and international projects. Application: Widely applicable in multi-site deployments across North America.
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FAQs
The TP316 is designed for NM clamps and a 4 inch box footprint. It provides four cable knockouts, two 1/2 inch side knockouts, and one 1/2 inch bottom knockout, enabling flexible wiring routes. This enables straightforward fixture mounting and consistent wiring practices common in control panels and industrial enclosures.
TP316 adheres to NEC/CEC standards and is certified for ordinary/non-hazardous locations. It also carries Canadian certification supporting cross-border projects. This combination simplifies compliance documentation for multi-region deployments and industrial installations in North America.
TP316 is specified for ordinary/non-hazardous locations and uses steel construction. While durable for indoor industrial environments, it is not explicitly rated for outdoor or hazardous locations. For harsher conditions, consider enclosure options with additional IP/UL ratings or protective accessories.
Product Length/Depth is 4 in, Product Height is 2.13 in, Product Width is 4 in, and Capacity is 21.5 cubic inches. This combination supports a practical balance of internal wiring space and a compact external footprint for standard control panels.
TP316 is part of Eaton’s Crouse-Hinds steel octagon family, designed to work with standard Crouse-Hinds covers, adjustable bar hangers, and ceiling pans. This compatibility streamlines accessory selection, eases installation, and maintains a consistent enclosure system across projects.