Eaton Crouse-Hinds 1040DC Throat Bushing - 4in IMC
Part Number: 1040DC
Quick Summary
The Eaton Crouse-Hinds 1040DC throat bushing provides secure threaded termination for rigid/IMC conduit systems. This non-insulated zinc die-cast bushing minimizes installation rework by delivering a precise fit and robust mechanical protection. It meets NEC/CEC standards and carries UL certification for Canada, with an area classification suitable for ordinary/non-hazardous locations. For engineers and procurement teams, this translates to faster approvals, fewer spare parts, and reliable long-term performance in panels, enclosures, and electrical rooms. By aligning with common trade sizes and standard conduit types, it also simplifies stocking, enhances compliance, and reduces overall project risk, while offering compatibility with existing rigid/IMC fittings and 1040DC catalog pages.
Product Information
Extended Description
1040DC Eaton Crouse-Hinds: Eaton Crouse-Hinds series throat bushing, Rigid/IMC, Non-insulated, Zinc die cast, Threaded, 4"
Product Name
Eaton Crouse-Hinds series throat bushing
Catalog Number
1040DC
Product Length/Depth
4.76 in
Product Height
2.85 in
Product Width
3.34 in
Product Weight
0.43 lb
UPC
662277037730
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Insulator
Non-insulated
Thread
Threaded
Trade size
4"
Material
Zinc die cast
Crouse-Hinds series Insulating and Throat Bushings - Rigid-IMC catalog page
Insulating and Throat Bushings - Rigid-IMC Canadian certification
Insulating and Throat Bushings - Rigid-IMC Canadian certification
Eaton Specification Sheet - 1040DC
Feature: Zinc die-cast construction provides rugged mechanical strength and corrosion resistance. Business impact: reduces maintenance costs and extends service life in harsh industrial environments. Application: ideal for 4 inch rigid/IMC conduit connections in panels, enclosures, and electrical rooms. Feature: Rigid/IMC compatibility ensures precise alignment and a secure seal. Business impact: minimizes misfit, vibration loosening, and rework. Application: compatible with standard rigid/IMC conduit fittings used in industrial plants. Feature: Non-insulated design simplifies installation and reduces parts count. Business impact: speeds assembly and lowers total installed cost. Application: favorable for clean, uninsulated terminations in ordinary locations. Feature: Threaded connection supports common conduit fittings and field installation. Business impact: enables quick, tool-friendly tightening with minimal torque variation. Application: works with standard threaded rigid/IMC interfaces for reliable performance. Feature: 4 inch trade size aligns with common conduit infrastructure. Business impact: improves inventory control and reduces SKU fragmentation. Application: streamlines procurement for medium to large electrical installations. Feature: NEC/CEC compliance and UL Canada certification provide regulatory confidence. Business impact: reduces compliance risk and speeds project approval. Application: suitable for cross-border projects in ordinary/non-hazardous locations.
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FAQs
Install by aligning the threaded end with the enclosure knockout for a rigid/IMC conduit. Use standard conduit wrenches to tighten until the bushing seats firmly against the enclosure while maintaining a continuous grounding path. Ensure the trade size matches the conduit and verify the assembly remains within the NEC/CEC requirements for ordinary locations.
The 1040DC is non-insulated and zinc die-cast, designed for threaded, rigid/IMC conduits with a 4 inch trade size. It weighs about 0.43 lb and measures roughly 4.76 in long, 2.85 in high, and 3.34 in wide. These specs enable sturdy mechanical protection and reliable termination in non-hazardous environments.
No. The 1040DC is specified for ordinary/non-hazardous locations as indicated by its area classification. For hazardous or explosive environments, select a bushing and conduit fitting rated for those conditions and verify compatibility with local codes and UL/CSA listings.
The 1040DC adheres to NEC/CEC standards and includes UL Canada certification, signaling cross-border compliance and reliability. This matters for project approvals, procurement conformance, and reducing/regulatory risk in both domestic and international installations involving rigid/IMC conduit.
Choosing the 1040DC reduces installation time through a straightforward threaded connection, minimizes spare parts via non-insulated design, and lowers rework risk in ordinary locations. Its compatibility with 4 inch rigid/IMC conduit streamlines stocking and procurement, delivering predictable performance and faster project commissioning.