Eaton Crouse-Hinds HS1033 Throat Bushing - NEC/CEC
Part Number: HS1033
Quick Summary
Eaton Crouse-Hinds HS1033 throat bushing provides insulated throat protection for rigid/IMC conduit installations in industrial panels. Without proper insulation and securement, heat buildup and arcing risk threaten reliability in harsh environments. It meets NEC/CEC standards for electrical fittings and is UL-listed for Canadian certification, with an area classification of Ordinary/Non-Hazardous Locations, and a 150°C temperature rating to withstand demanding service. Designed for durable, set-screw mounting and threadless connections, this insulated malleable iron bushing delivers consistent performance in rough industrial settings. Using this component reduces field rework, improves enclosure integrity, and supports compliance in safety-critical conduit assemblies across automation, control panels, and process facilities.
Product Information
Extended Description
HS1033 Eaton Crouse-Hinds: Eaton Crouse-Hinds series throat bushing, Rigid/IMC, Insulated, Malleable iron, Set screw, 150°C, Threadless, 1"
Product Name
Eaton Crouse-Hinds series throat bushing
Catalog Number
HS1033
UPC
784564113634
Product Weight
0.116 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Style
Set screw
Insulator
Insulated
Thread
Threadless
Trade size
1"
Material
Malleable iron
Temperature rating
150°C
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 - HS1033
The HS1033 delivers an insulated throat bushing for rigid/IMC conduit with a 1" trade size, threadless body, and a secure set-screw mounting. This design minimizes heat transfer into enclosures, protecting insulation and electronics, which translates to longer panel life and fewer outages in demanding lines. It is ideal for control panels, machine frames, and process enclosures in automation environments where reliability matters. The malleable iron construction provides rugged durability on the factory floor, while the insulation maintains performance up to 150°C, supporting sustained service in hot electrical cabinets and reducing maintenance expenditure over the equipment’s life. NEC/CEC standards alignment and UL Canadian certification help streamline regulatory reviews, with Ordinary/Non-Hazardous area classification easing risk management for many facilities. The 1" size aligns with common conduit fittings and the threadless design simplifies retrofits, and Eaton’s specification sheets offer clear installation guidance for fast sourcing. This combination supports scalable, compliant assemblies and minimizes field engineering time.
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FAQs
To install HS1033, insert the bushing into the enclosure knockout, align the conduit, and tighten the set screw to secure the rigid/IMC connection. Ensure the insulation remains intact and the conduit seats fully against the bushing. Verify the 1" trade size matches the enclosure opening for a proper seal and reliable isolation.
Key specs include a 1" trade size, threadless body, set-screw mounting, insulated design, malleable iron material, and a temperature rating of 150°C. It is designed for rigid/IMC conduit and complies with NEC/CEC standards, with UL Canadian certification for safe use in Ordinary/Non-Hazardous locations.
Yes. HS1033 is designed to meet NEC/CEC standards for electrical fittings and carries UL Canadian certification for use in Canada. It also carries an Ordinary/Non-Hazardous area classification, which aligns with typical non-hazardous industrial environments, simplifying regulatory approval in multiple regions.
HS1033 is ideal for control panels, motor enclosures, and process equipment in industrial automation where rigid/IMC conduit is used. Its insulated design minimizes heat transfer and arcing risk, while the 1" size and set-screw mounting streamline installation in tight electrical cabinets and harsh factory environments.
Using HS1033 reduces field rework by providing a secure, vibration-resistant connection with reliable insulation. The durable malleable iron construction and high-temperature rating lower maintenance and replacement costs over time, improve enclosure integrity, and support safer, compliant conduit assemblies in routine manufacturing and automation facilities.