Eaton TP338 Octagon Outlet Box - Fixture rated

Part Number: TP338
TP338
Manufacturer
Eaton
Part number
TP338
Category

Quick Summary

The Eaton TP338 Octagon Outlet Box provides a durable, fixture-rated enclosure for industrial electrical installations. Engineers often face mounting constraints, limited space, and rising field labor costs when wiring junctions in challenging environments. This solution aligns with NEC/CEC standards and is suitable for ordinary/non-hazardous locations, with UL Canadian certifications validating reliability. Designed in steel for durability, it supports conduit systems and fixture connections, delivering installation efficiency and long-term cost savings for panel builders and maintenance teams.

Product Information

Extended Description

TP338 Eaton: Eaton Crouse-Hinds series Octagon Outlet Box, (1) 1/2", 4", S, set 1/2", 4, AC/MC clamps, 2-1/8", Steel, (1) 1/2", Fixture rated, 21.5 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon outlet box
Catalog Number
TP338
UPC
786189103380
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.82 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
Bracket style
S, Set 1/2"
Cable knockouts
4
Side knockouts
(1) 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: Steel construction provides rugged durability in harsh industrial environments. Benefit: Reduces damage from impact and corrosion, extending service life and lowering maintenance costs. Application: Ideal for control panels and wall-mounted junctions in factories using steel octagon boxes. Feature: Fixture-rated design supports reliable light fixture connections. Benefit: Improves safety and reduces rework during retrofits or upgrades. Application: Lighting circuits in equipment enclosures and process areas. Feature: 4" box size with 2-1/8" depth and 21.5 cubic inch capacity. Benefit: More wiring space for complex conduit runs, easing code-compliant terminations. Application: Complex control panels where room for conductors is at a premium. Feature: AC/MC clamps and four knockouts with side and bottom 1/2" entries. Benefit: Faster, cleaner installations and flexible routing for cables and conduits. Application: New builds or refurbishments in non-hazardous locations requiring versatile cable management. Feature: S bracket style Set 1/2" and fixture-rated construction. Benefit: Stable mounting and compliant fixture connections that reduce field errors. Application: Mounting fixtures and accessories in OEM assemblies and industrial enclosures.

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FAQs

TP338 supports standard AC/MC clamps and includes four cable knockouts along with side and bottom 1/2 inch knockouts. When wiring control panels, use the side knockouts for feeders and bottom knockout for main ground or conduit entry. Ensure clamps are rated for the conductor type and follow NEC/CEC guidelines to maintain enclosure integrity and fire safety.
TP338 features a 4 inch box size with a 2-1/8 inch depth and a 21.5 cubic inch capacity. This combination provides ample space for conductors, splices, and connectors in standard mechanical rooms. The four knockouts, plus additional side and bottom 1/2 inch entries, support flexible conduit routing to simplify layout planning and reduce overcrowding.
TP338 is designated for Ordinary/Non-Hazardous Locations per its area classification. It is not intended for wet or hazardous environments. For these settings, consider enclosures with appropriate IP ratings or hazardous-location certifications to ensure safety and code compliance while maintaining system integrity.
The TP338 aligns with NEC/CEC standards for non-hazardous locations and carries UL Canadian certifications, reflecting compliance with practices across North America. The fixture-rated feature also supports safe lighting connections, improving reliability in industrial installations while meeting code requirements.
Steel construction provides rugged durability, reducing impact damage and corrosion over time. Fixture-rated connections minimize rework during maintenance or upgrades, lowering field labor costs. The box’s generous capacity and versatile knockouts support scalable wiring, enabling easier upgrades without replacing boxes, thereby delivering a favorable return on investment.