Eaton Crouse-Hinds NPL350500SA Conduit Nipple - NEC/CEC
Part Number: NPL350500SA
Quick Summary
NPL conduit nipples like the NPL350500SA provide rugged, threaded connections for rigid/IMC conduit in electrical installations. Too often installers wrestle with mismatched fittings, heavy parts, and corrosion risk that slow builds and raise costs. This part ships NEC/CEC compliant and is suited for ordinary/non-hazardous locations, with UL Canada certification references available for added confidence. Aluminum construction delivers lighter weight and corrosion resistance, while standard dimensions and compatible locknuts enable faster, repeatable assemblies in industrial wiring and control panel projects. Design engineers and procurement teams benefit from predictable performance, reduced installation time, and easier spare-part planning across multiple sites.
Product Information
Extended Description
NPL350500SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, Aluminum, 3-1/2" x 5"
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL350500SA
UPC
662276485013
Product Length/Depth
5 in
Product Height
4 in
Product Width
4 in
Product Weight
1.01 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
3-1/2" x 5"
Material
Aluminum
Crouse-Hinds series Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC catalog page
Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC Canadian certification
Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC Canadian certification
Eaton Specification Sheet - NPL350500SA
Feature: Rigid/IMC aluminum conduit nipple. Business Impact: Combines strength with corrosion resistance while reducing overall weight, speeding handling and installation. Application: Ideal for panel wiring and machine enclosures where durable, secure conduit connections are required. Feature: 3-1/2" x 5" size (3-1/2" x 5"). Business Impact: Provides a wide enough footprint to span sections and minimize adapters, cutting inventory variety and installation time. Application: Used in control panels and electrical housings that demand reliable, long runs. Feature: NEC/CEC compliance and ordinary-location rating. Business Impact: Ensures regulatory alignment and reduces compliance risk for North American deployments. Application: Suitable for facilities needing cross-border certification and standard-conduit installations. Feature: Aluminum construction. Business Impact: Delivers corrosion resistance in non-hazardous environments and lighter weight for faster transport and handling. Application: Industrial automation sites, food and beverage, and general machinery wiring where weight and longevity matter. Feature: Compatibility with Rigid/IMC fittings and standard locknuts. Business Impact: Simplifies installation, lowers training needs, and improves maintenance spend with readily available accessories. Application: Panel builders and field crews performing frequent disassembly/reassembly tasks.
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FAQs
For proper installation, ensure threading matches the mating rigid/IMC conduit and use compatible locknuts and bushings. The NPL350500SA is sized 3-1/2" x 5" and made from aluminum, which reduces weight during assembly. Follow standard torque guidelines for conduit fittings and verify a clean, dry mating surface to prevent leakage in non-hazardous locations.
Aluminum provides excellent corrosion resistance and a lighter overall weight compared to steel, which reduces handling time and fatigue during installation. In ordinary locations, this translates to longer service life and lower maintenance costs, while maintaining the necessary mechanical strength for rigid/IMC conduit connections.
No. The catalog lists Ordinary/Non-Hazardous Locations as the area classification, meaning this nipple is not intended for hazardous or outdoor exposure without additional protection. For harsher environments, consider enclosures or alternative fittings rated for outdoor or hazardous locations and consult applicable codes.
The NPL350500SA is NEC/CEC compliant, supporting North American electrical codes. UL Canada certification references are available for cross-border deployment, enhancing regulatory confidence when wiring panels or equipment distributed across Canada and the U.S. These certifications help streamline audits, reduce rework, and support multi-site procurement.
The aluminum NPL350500SA delivers a lower weight, faster installation, and fewer component choices, reducing labor hours and parts management. Its rigidity and corrosion resistance extend service life in non-hazardous environments, lowering replacement costs. The standard 3-1/2" x 5" dimensions improve interchangeability with existing inventory, supporting scalable automation projects.