Eaton CB8 Clampback/Spacer - 3in EMT & Rigid/IMC
Part Number: CB8
Quick Summary
The Eaton CB8 Clampback/Spacer is a reliable mounting accessory for EMT and rigid/IMC conduits in commercial and industrial installations. When conduit support hardware misaligns, it leads to rework and costly delays; CB8 provides precise clampback positioning and robust spacers to secure runs quickly. It complies with NEC/CEC standards and is rated for Ordinary/Non-Hazardous locations, with UL certification coverage for EMT in Canada. By delivering a 3 inch trade size in malleable iron with a compact 6.75 in length, it reduces installation time, vibration-related wear, and maintenance costs while ensuring code compliance. For project teams, it minimizes SKU diversity and supports consistent back-of-strap mounting across facilities, improving procurement and field performance.
Product Information
Extended Description
CB8 Eaton: Eaton Crouse-Hinds series CB clampback/spacer, EMT and rigid/IMC, Malleable iron, 3"
Product Name
Eaton Crouse-Hinds series CB clampback/spacer
Catalog Number
CB8
UPC
784564205087
Product Length/Depth
6.75 in
Product Height
1 in
Product Width
2.63 in
Product Weight
0.62 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
EMT and Rigid/IMC
Trade size
3"
Material
Malleable iron
Crouse-Hinds series Straps, Clamps and Clampbacks - EMT catalog page
Straps, Clamps, and Clampbacks - EMT Canadian certification
Straps, Clamps, and Clampbacks - EMT Canadian certification
Eaton Specification Sheet - CB8
Feature: Malleable iron construction delivers high strength and durability in harsh industrial environments → Business impact: reduces risk of deformation and long-term wear under vibration → Application: ideal for heavy conduit runs in manufacturing floors and outdoor facilities. Feature: Conduit compatibility with EMT and rigid/IMC → Business impact: broad installation flexibility lowers part variety and stock levels → Application: supports retrofit projects across modernized plants. Feature: 3 inch trade size and precise dimensions (6.75 in length, 2.63 in width, 1 in height) → Business impact: enables predictable spacing and fast field alignment → Application: streamlines back-of-strap mounting for large-diameter conduits. Feature: NEC/CEC compliance plus Ordinary/Non-Hazardous Location rating → Business impact: ensures code-compliant installations with minimal risk → Application: essential for electrical rooms, service panels, and auxiliary spaces. Feature: Lightweight at 0.62 lb with clampback/spacer design → Business impact: easier handling and reduced crew fatigue during installation → Application: improves efficiency on multi-site deployments and retrofits. Feature: Catalog number CB8 and detailed specifications (EMT and Rigid/IMC) → Business impact: simplifies procurement and configuration → Application: supports standardized stocking and faster project turnarounds.
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FAQs
CB8 supports EMT and rigid/IMC conduits with a 3 inch trade size. Installation involves aligning the clampback with the conduit run, inserting the spacer to maintain correct distance, and securing with standard hardware per NEC/CEC guidelines. The compact 6.75 in length keeps the assembly concise, while the malleable iron body provides dependable clamping strength for long-term reliability.
CB8 measures 6.75 inches in length, 2.63 inches in width, and 1 inch in height, with a product weight of 0.62 pounds. These dimensions allow for precise back-of-strap mounting on 3 inch trade-size conduits, enabling predictable spacing, reduced misalignment, and quicker installation in crowded electrical rooms or retrofit projects.
Yes, CB8 is rated for Ordinary/Non-Hazardous locations and complies with NEC/CEC standards. It also has UL Canada certification coverage for EMT installations, ensuring regulatory compliance in Canadian projects and supporting cross-border deployment without component mismatches.
CB8 is designed to be compatible with EMT and rigid/IMC conduits and is documented with Canadian certification references. This makes it suitable for CAN standards and multi-site installations where consistent conduit support is required, reducing the need for multiple clampback variants.
CB8 delivers tangible ROI through faster installation, reduced rework, and lower SKU fragmentation. Its durable malleable iron construction, 3 inch trade size, and NEC/CEC compliance help ensure code-grade installations, while its lightweight design reduces labor effort during field assembly and simplifies procurement across multiple sites.