Eaton Crouse-Hinds NPL400500 Conduit Nipple - Galvanized
Part Number: NPL400500
Quick Summary
NPL400500 conduit nipple by Eaton Crouse-Hinds provides a galvanized steel connection for rigid/IMC conduit runs. In busy facilities, installers contend with corrosion, misfit parts, and downtime caused by noncompliant fittings. This product is NEC/CEC compliant and suitable for Ordinary/Non-Hazardous Locations, with a robust galvanized finish that resists environmental exposure. Designed for compatibility with standard conduit accessories, it delivers reliability, reduced maintenance, and faster installation—helping automation projects stay on schedule and within budget.
Product Information
Extended Description
NPL400500 Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, Steel, 4" x 5", Galvanized
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL400500
UPC
662277040051
Product Length/Depth
4.25 in
Product Height
4.25 in
Product Width
5 in
Product Weight
3.8 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
4" x 5"
Material
Steel
Special features
Galvanized
Crouse-Hinds series Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC catalog page
Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC UL certification
Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC UL certification
Eaton Specification Sheet - NPL400500
Feature: Galvanized steel construction. Business impact: Superior corrosion resistance in damp or outdoor environments, extending service life and reducing replacement costs. Application: Ideal for outdoor panels and exposed installations in automated systems. Feature: Rigid/IMC conduit compatibility. Business impact: Simplifies system design and field wiring, lowers misfit risk, and speeds assembly. Application: Used in control cabinets, machine frames, and process automation loops. Feature: Precise 4" x 5" dimensions with 4.25 in length. Business impact: Predictable fit with standard conduits and fittings, minimizing rework and inventory needs. Application: Supports compact panel layouts and standardized mounting footprints. Feature: 3.8 lb weight for durability. Business impact: Robust support without excessive fixture load, reducing vibration-related wear. Application: Suitable for high-vibration environments in industrial automation. Feature: NEC/CEC compliance and ordinary location rating. Business impact: Ensures regulatory adherence and safer installations with documented standards. Application: Essential for compliant automation deployments in North American facilities. Feature: Galvanized finish with compatibility to locknuts, washers, and reducers. Business impact: Streamlined termination and secure connections, lowering maintenance calls. Application: Accelerates field retrofit projects and upgrades in existing lines.
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FAQs
NPL400500 is designed for seamless integration with standard rigid/IMC conduit assemblies. It accepts common accessories such as locknuts and washers, enabling secure terminations. The galvanized finish resists corrosion in harsh environments, while the 4.25 inch length and 5 inch width support consistent, repeatable installations in control panels and enclosures. This reduces rework and speeds commissioning.
Catalog number NPL400500; UPC 662277040051. Product dimensions are 4.25 in length, 4.25 in height, and 5 in width, with a weight of 3.8 lb. Material is steel with a galvanized finish. Conduit type supported is rigid/IMC. Meets NEC/CEC standards and is intended for Ordinary/Non-Hazardous Locations to ensure proper regulatory compliance.
Yes, NPL400500 is specified for Ordinary/Non-Hazardous Locations and features a galvanized finish that provides corrosion resistance suitable for outdoor or damp environments. It should not be used in hazardous or classified locations where more specialized ratings are required. This makes it ideal for standard automation installations and general purpose conduit runs.
Documentation for NPL400500 includes NEC/CEC compliance information and a specification sheet. Related catalog pages and UL certification references for Crouse-Hinds rigid-IMC fittings are available via Eaton’s resources, ensuring traceability and regulatory assurance for industrial projects. Access to these documents supports audits, safety reviews, and supplier qualification processes.
Using NPL400500 delivers durability through a galvanized steel construction, improving corrosion resistance and reducing replacement frequency. Its compatibility with standard conduit accessories speeds installation, lowers labor costs, and minimizes downtime. The NEC/CEC compliance and ordinary location rating provide regulatory confidence, while exact dimensions and weight support predictable, repeatable installations across automation environments.