Eaton Crouse-Hinds NPL300400SA Conduit Nipple - NEC/CEC
Part Number: NPL300400SA
Quick Summary
NPL conduit nipple from Eaton Crouse-Hinds provides a rugged aluminum connector for rigid/IMC installations in industrial wiring. This part simplifies secure conduit runs in control panels and machine housings where space is tight. Installers often contend with compatibility gaps and certification hurdles; this nipple combines a precise 4 in length with a 3 in by 4 in footprint to fit standard cutouts and minimize misalignment. The product carries NEC/CEC compliance and UL certification for rigid-IMC conduits, rated for Ordinary/Non-Hazardous Locations, streamlining approval workflows. With its lightweight aluminum construction, it reduces installation effort and supports efficient, compliant electrical distribution in automation and machinery.
Product Information
Extended Description
NPL300400SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, Aluminum, 3" x 4"
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL300400SA
UPC
662276484924
Product Length/Depth
4 in
Product Height
3.5 in
Product Width
3.5 in
Product Weight
0.64 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
3" x 4"
Material
Aluminum
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 - NPL300400SA
Feature Aluminum construction and Rigid/IMC compatibility → Business impact: lightweight, corrosion-resistant, easy to handle during field installs. Application: fits control panels and machine enclosures with reliable performance. Feature Exact 4 in length and 3x4 in footprint → Business impact: predictable fit in standard cutouts, reduces rework and installation time. Application: panel wiring and equipment mounting in automation lines. Feature NEC/CEC compliance and UL certification for Rigid-IMC → Business impact: accelerates approvals, lowers regulatory risk. Application: plant-wide electrical installations requiring formal standards conformance. Feature Weight of 0.64 lb and compact dimensions → Business impact: improved handling, lower fatigue during installation, site efficiency. Application: rough-in and retrofit projects in tight spaces. Feature Documentation and compatibility with CH catalog fittings → Business impact: streamlined procurement and fewer compatibility issues. Application: integration with Crouse-Hinds locks, nipples, washers, reducers, and plugs in new builds or upgrades.
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FAQs
The NPL300400SA is ideal for rigid/IMC conduit runs in industrial automation, control panels, and machine enclosures. Its 4 in length and aluminum construction deliver a balance of stiffness and weight, making field assembly quicker and less fatigue-prone while maintaining a secure conduit connection in ordinary locations.
Key specs include aluminum material, rigid/IMC conduit type, 3" x 4" size with a 4 in length, 3.5 in height and width, and a weight of 0.64 lb. It is certified for Ordinary/Non-Hazardous Locations under NEC/CEC standards and UL certified for rigid-IMC use.
Yes. The NPL300400SA carries UL certification for Rigid-IMC conduit fittings and NEC/CEC compliance, aligned with ordinary location classifications. This supports regulatory approvals and helps ensure safe, code-compliant installations in industrial environments.
Its lightweight aluminum construction and precise 4 in length with a 3" x 4" footprint simplify mounting and alignment, reducing handling time and rework. Compatible with standard CH series fittings, it accelerates panel wiring, improves traceability, and lowers labor costs on new builds or retrofits.
Technical documentation is available via Eaton’s resources: the Eaton specification sheet for NPL300400SA, plus catalog pages for CH rigid-IMC components and UL certification references. These documents support specification validation, installation guidance, and compliance auditing.