Eaton Crouse-Hinds NPL400800 Conduit Nipple - Rigid/IMC
Part Number: NPL400800
Quick Summary
NPL400800 conduit nipple provides rigid IMC connectivity for steel conduit runs in industrial electrical installations. Installers often face corrosion, misfits, and downtime when pairing incompatible hardware with demanding environments. This unit aligns with NEC/CEC standards and is suitable for ordinary/non-hazardous locations, with UL certification references supporting cross-border compliance. The galvanized steel construction delivers long-lasting durability, while the 4x8 size supports quick, compatible installations across standard wiring and connectivity applications, delivering measurable efficiency gains and cost reductions over time.
Product Information
Extended Description
NPL400800 Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, Steel, 4" x 8", Galvanized
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL400800
UPC
662277040075
Product Weight
5.7 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
4" x 8"
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 - NPL400800
The 4x8 galvanized steel construction provides superior corrosion resistance, reducing maintenance cycles and extending service life in demanding facilities. This feature translates to lower replacement costs and fewer field repairs, improving uptime for critical processes. The rigid/IMC conduit type ensures robust mechanical protection and a secure fit with standard fittings, enabling faster assembly and fewer call-backs on installation sites. NEC/CEC compliance supports regulatory confidence, while the ordinary/non-hazardous location rating guides proper usage and reduces compliance risk. The product weight of 5.7 lb balances sturdy performance with manageable handling during inventory and shipping. Compatibility with Crouse-Hinds series Locknuts, Nipples, Washers, Reducers and Plugs enhances installation efficiency and reduces project lead times. Galvanized finish adds a durable barrier against moisture and contaminants, contributing to long-term cost savings in maintenance budgets.
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FAQs
When planning NPL400800 installations, ensure compatibility with rigid IMC conduit and standard Crouse-Hinds accessories. Verify the 4x8 size matches the conduit run length and that galvanized steel nipples are used in non-hazardous locations. Follow NEC/CEC guidelines for support, bending radii, and enclosure engagement to minimize movement, reduce corrosion risk, and accelerate installation timelines.
NPL400800 adheres to NEC/CEC standards for conduit fittings and provides area classification suitable for ordinary/non-hazardous locations. The galvanized steel construction offers corrosion resistance, while UL certification references support cross-border compliance. This combination reduces risk during audit checks and ensures that installations meet industry safety and performance requirements without overengineering for non-hazardous environments.
NPL400800 uses galvanized steel for corrosion resistance, making it well-suited for many indoor and semi-exposed applications. However, it is rated for ordinary/non-hazardous locations and may require additional weatherproofing or protective enclosures for fully outdoor or highly corrosive environments. In such cases, consider supplemental coatings, seals, or alternative fittings designed specifically for outdoor exposure.
For optimal performance, pair the NPL400800 with Crouse-Hinds series Locknuts, Nipples, Washers, Reducers, and Plugs as listed in the product catalog. Using the full accessory set ensures secure connections, proper alignment, and a consistent installation standard across all conduits. Refer to the official catalog page for compatibility notes and torque recommendations.
The galvanized steel NPL400800 conduit nipple reduces corrosion-related maintenance and extends service life, lowering long-term upkeep costs. Its sturdy 4x8 size and rigid/IMC construction facilitate faster installations, reducing labor hours on projects. When combined with compatible accessories and NEC/CEC-compliant practices, it contributes to lower downtime, predictable performance, and favorable total cost of ownership in industrial wiring systems.