Eaton TP686 Masonry Box - Five-Gang Steel NEC/CEC
Part Number: TP686
Quick Summary
The Eaton TP686 Masonry Box is a five-gang, steel enclosure designed for electrical terminations in concrete masonry walls within industrial facilities. This enclosure streamlines installations by providing predefined knockouts and a robust 77.5 cubic inch capacity, helping save time on conduit planning and box filling. For engineers and electricians, the biggest pain is ensuring code compliance and reliable protection in ordinary/non-hazardous environments; TP686 addresses this with NEC/CEC standards and suitability for non-hazardous locations, with Canadian certifications available. This alignment with the Crouse-Hinds steel outlet-box heritage delivers long-term reliability, easy mounting, and compatibility with standard conduit fittings, reducing field modification costs. It supports scalable five-gang configurations for panel assemblies and power distribution blocks, boosting installation efficiency and consistency.
Product Information
Extended Description
TP686 Eaton: Eaton Crouse-Hinds series Masonry Box, (10) 1/2", (10) 3/4", 2-1/2", (5) 1/2", (5) 3/4", Steel, Five-gang, (2) 1/2", (2) 3/4", 77.5 cubic inch capacity
Product Name
Eaton Crouse-Hinds series masonry box
Catalog Number
TP686
UPC
786189106862
Product Length/Depth
9.19 in
Product Height
3.75 in
Product Width
3.75 in
Product Weight
1.89 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Depth
2-1/2"
Number of gangs
Five-gang
End Knockouts
(5) 1/2 in, (5) 3/4 in
Side knockouts
(2) 1/2 in, (2) 3/4 in
Bottom Knockouts
(10) 1/2 in, (10) 3/4 in
Capacity
77.5 cubic in
Material
Steel
Crouse-Hinds series Steel Masonry Boxes catalog page
Steel Masonry Boxes Canadian certification
Steel Masonry Boxes Canadian certification
Eaton Specification Sheet - TP686
Eaton Specification Sheet - TP686
Feature: Five-gang steel masonry box with (5) 1/2 in and (5) 3/4 in end knockouts, (2) 1/2 in and (2) 3/4 in side knockouts, (10) 1/2 in and (10) 3/4 in bottom knockouts. Business Impact: Enables dense wiring layouts with flexible conduit routing, reducing the need for supplementary boxes and rework on site. Application: Ideal for panel junctions and control enclosures in concrete masonry walls where space is at a premium and fast wiring is required. Feature: 77.5 cubic inch capacity. Business Impact: Maximizes packing density for splices, terminations, and small-device branch circuits, improving overall enclosure utilization. Application: Useful in mid-sized industrial panels, machine controls, and process equipment wiring. Feature: Product dimensions 9.19 in L x 3.75 in W x 3.75 in H. Business Impact: Fits standard masonry wall cavities while delivering ample interior space; reduces field sizing errors. Application: Suitable for retrofit projects and new installations in concrete structures. Feature: Material is steel with a five-gang configuration. Business Impact: Provides rugged protection against impact and environmental exposure, improving long-term reliability and code compliance. Application: Supports heavy-duty industrial environments and NEC/CEC-compliant installations. Feature: NEC/CEC standards with Ordinary/Non-Hazardous Location rating and Canadian certification options. Business Impact: Lowers compliance risk and expedites audits, enabling quicker procurement and installation. Application: Critical for regulated facilities and cross-border projects using Eaton Crouse-Hinds products.
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FAQs
The TP686 is designed for concrete masonry walls in ordinary/non-hazardous locations. It supports five-gang wiring with standard knockouts and is suitable for industrial facilities requiring NEC/CEC compliance and Canadian certifications.
TP686 includes end knockouts: five of 1/2 in and five of 3/4 in; side knockouts: two of 1/2 in and two of 3/4 in; bottom knockouts: ten of 1/2 in and ten of 3/4 in. Capacity is 77.5 cubic inches with overall dimensions of 9.19 in length, 3.75 in width, and 3.75 in height.
Yes. The TP686 is listed for NEC/CEC standards and is suitable for ordinary/non-hazardous locations, with Canadian certification options available through Eaton’s certification resources, reducing regulatory risk on cross-border projects.
Its five-gang design accommodates multiple circuits within a single steel masonry box, enabling denser wiring layouts and streamlined panel assemblies while meeting NEC/CEC requirements for non-hazardous environments.
Key considerations include leveraging predefined knockouts to minimize field modifications, ensuring wall compatibility with 9.19 in L / 3.75 in W / 3.75 in H dimensions, and selecting the proper Canadian certification path to speed approvals in cross-border installations.