Eaton TP671 Masonry Box - Gangable, 15.5 cu in
Part Number: TP671
Quick Summary
Eaton TP671 Masonry Box provides rugged steel enclosure for indoor electrical terminations. Installers often struggle with limited knockout configurations and space constraints that complicate wiring layouts. This solution aligns with NEC/CEC standards and UL certification, and it is suitable for ordinary/non-hazardous locations. Beyond compliance, the TP671 delivers a gangable steel box with 15.5 cu in capacity and four knockouts per side, supporting scalable, cost-efficient installations and faster field assembly.
Product Information
Extended Description
TP671 Eaton: Eaton Crouse-Hinds series Masonry Box, (2) 1/2", (2) 3/4", 2-1/2", (2) 1/2", (2) 3/4", Steel, Single-gang, (2) 1/2", (2) 3/4", Gangable, 15.5 cubic inch capacity
Product Name
Eaton Crouse-Hinds series masonry box
Catalog Number
TP671
UPC
786189106718
Product Length/Depth
4 in
Product Height
2.5 in
Product Width
2 in
Product Weight
0.63 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Depth
2-1/2"
Number of gangs
Single-gang
End Knockouts
(2) 1/2 in, (2) 3/4 in
Side knockouts
(2) 1/2 in, (2) 3/4 in
Bottom Knockouts
(2) 1/2 in, (2) 3/4 in
Capacity
15.5 cubic in
Material
Steel
Type
Gangable
Crouse-Hinds series Steel Masonry Boxes catalog page
Steel Masonry Boxes UL certification
Steel Masonry Boxes UL certification
Eaton Specification Sheet - TP671
Eaton Specification Sheet - TP671
Feature: Steel masonry box, single-gang construction with 15.5 cubic inch capacity. Benefit: Delivers robust protection for conductors and splices in harsh industrial environments, reducing the risk of damage and rework. Application: Ideal for outlets and junctions in masonry walls within manufacturing facilities. Feature: Knockouts on end, side, and bottom in 1/2 in and 3/4 in sizes. Benefit: Flexible routing for a variety of conduit configurations, enabling streamlined wiring layouts and faster installation. Application: Wiring dense equipment rooms and control panels where space is at a premium. Feature: Gangable design. Benefit: Easily add boxes to create larger or multi-gang installations without rework or special adapters, reducing inventory and onsite labor. Application: Scalable electrical distribution in warehouses and production lines. Feature: NEC/CEC compliance with UL certification. Benefit: Regulatory alignment minimizes project risk and simplifies cross-border procurement, lowering compliance costs. Application: Industrial facilities in the US and Canada requiring validated metallic outlet boxes. Feature: Compact dimensions (4 in length, 2.5 in height, 2 in width) with 2-1/2 in depth. Benefit: Fits tight wall cavities while maintaining ample interior space for conductors, improving panel density. Application: Masonry wall installations in constrained plant spaces. Feature: Material = Steel. Benefit: Superior durability and resistance to impact and corrosion, extending service life in busy environments. Application: Indoor non-hazardous locations, factory floors, and service rooms.
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FAQs
TP671 is designed as a single-gang steel masonry box that can be expanded by pairing with additional TP671 units. This gangable configuration allows you to create multi-gang enclosures without custom adapters, reducing part variety and simplifying sequencing on high-density wall installations.
The TP671 includes knockouts on the ends, sides, and bottom sized at 1/2 in and 3/4 in, enabling flexible routing for multiple conduit types. This variety supports efficient paths for conductors, simplifies conduit alignment, and minimizes the need for fittings or rework during panel wiring.
Yes. The TP671 is designed to meet NEC/CEC standards and is UL certified for steel masonry boxes, making it appropriate for ordinary/non-hazardous locations in both the US and Canada. This reduces cross-border design risk and accelerates procurement approvals.
Absolutely. With a compact footprint of 4 in length by 2.5 in height and 2 in width and a 2-1/2 in depth, TP671 fits tightly in masonry walls while still offering up to 15.5 cu in of interior space for conductors and splices, supporting dense wiring layouts.
TP671 reduces field rework through its standardized, rugged construction and gangable design. This leads to lower labor costs and faster installation, while durable steel minimizes replacement and maintenance needs in busy plants, delivering measurable long-term cost savings and reliability.