Eaton 1033NI Throat Bushing - Rigid/IMC, 1" Threaded NEC/CEC
Part Number: 1033NI
Quick Summary
1033NI throat bushing provides a threaded, non-insulated entry for rigid/IMC conduits in electrical enclosures. Field installs often stall on incompatibilities between conduit sizes and enclosure clearances, delaying critical projects. It meets NEC/CEC standards and UL certifications for rigid-IMC conduit fittings, and is rated for Ordinary/Non-Hazardous Locations. With a 1-inch trade size and malleable iron construction, this bushing delivers durable, repeatable assemblies while simplifying sourcing and reducing maintenance costs. Designed for control panels, electrical cabinets, and other industrial enclosures, it supports compliant, fast installations without sacrificing performance or reliability.
Product Information
Extended Description
1033NI Eaton Crouse-Hinds: Eaton Crouse-Hinds series throat bushing, Rigid/IMC, Non-insulated, Malleable iron, Threaded, 1"
Product Name
Eaton Crouse-Hinds series throat bushing
Catalog Number
1033NI
Product Length/Depth
1.63 in
Product Height
0.69 in
Product Width
1.63 in
Product Weight
0.12 lb
UPC
662277003438
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Insulator
Non-insulated
Thread
Threaded
Trade size
1"
Material
Malleable iron
Crouse-Hinds series Insulating and Throat Bushings - Rigid-IMC catalog page
Insulating and Throat Bushings - Rigid-IMC UL certification
Insulating and Throat Bushings - Rigid-IMC UL certification
Eaton Specification Sheet - 1033NI
Feature: Conduit compatibility and 1 inch trade size → Business Impact: Simplifies standardization across panels, reducing install time and field errors → Application: Control panels and cabinets using rigid/IMC conduit. Feature: Malleable iron construction → Business Impact: Enhances durability in harsh environments and extends service life → Application: Industrial electrical installations where mechanical shock or vibration is a factor. Feature: Non-insulated, threaded entry → Business Impact: Enables straightforward grounding and quick assembly without insulation gaps → Application: Non-insulated conduit terminations in ordinary locations. Feature: Threaded connections → Business Impact: Improves reliability and repeatability of connections, minimizing rework → Application: Tight-spaced enclosures with restricted access. Feature: Certifications and compliance → Business Impact: Ensures NEC/CEC compliance and UL-listed assurance, reducing regulatory risk → Application: Electrical installations requiring formal certification in non-hazardous environments.
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FAQs
The 1033NI provides a threaded, non-insulated entry for rigid/IMC conduit into electrical enclosures, supporting a 1 inch trade size and enabling secure, ground-continuous connections.
Yes. The 1033NI is designed for 1 inch trade size, with a threaded interface that matches standard rigid/IMC conduit fittings for straightforward installation.
The part carries NEC/CEC standards compliance and UL certification for rigid-IMC conduit fittings, and it is suitable for Ordinary/Non-Hazardous Locations.
Thread the bushing into the enclosure’s conduit entry as you would with other rigid/IMC fittings, ensuring a snug fit and proper grounding continuity; no insulation is required.
It uses malleable iron for durability in ordinary locations; the product is non-insulated, threaded, and intended for 1" trade size rigid/IMC conduit in control panels and cabinets.