Eaton Crouse-Hinds NPL75400SA Conduit Nipple - Rigid/IMC Aluminum
Part Number: NPL75400SA
Quick Summary
NPL75400SA is a rugged conduit nipple that provides a secure aluminum transition for rigid/IMC installations in electrical enclosures. Installers often struggle with matching conduit size and ensuring corrosion resistance in challenging environments. This product meets NEC/CEC standards and is suitable for ordinary/non-hazardous locations, offering reliable performance across commercial, industrial, and automation settings. Its lightweight aluminum construction reduces handling time on installation and supports faster panel builds, while maintaining compatibility with standard locknuts, washers, and plugs. By choosing this nipple, your teams gain predictable fit and long-term durability without sacrificing workflow efficiency.
Product Information
Extended Description
NPL75400SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, Aluminum, 3/4" x 4"
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL75400SA
UPC
662276484214
Product Length/Depth
4 in
Product Height
1.05 in
Product Width
1.05 in
Product Weight
0.12 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
3/4" 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 - NPL75400SA
Material and weight: Aluminum construction delivers corrosion resistance and lighter weight, reducing worker fatigue on long runs. Business impact: Faster handling, easier alignment, and lower labor costs during installation. Application: Ideal for automation panels and distribution enclosures where weight savings and corrosion resistance matter. Conduit type and compatibility: Designed for Rigid/IMC systems, ensuring a seamless fit with standard conduit fittings and reducing the need for adapters. Business impact: Streamlined installs, fewer parts, and improved reliability in high-cycle environments. Application: Use in control cabinets and equipment enclosures across industrial facilities. Size and length: 3/4" x 4" dimensions provide a precise, common fit for IMC runs, with a compact 1.05 in cross-section and 4 in length. Business impact: Consistent spacing and quicker assembly of conduit runs. Application: Between panels, junction boxes, and equipment racks in automation lines. Certification and compliance: NEC/CEC standards support compliant installations in ordinary/non-hazardous locations, with UL certification reflected in related documentation. Business impact: Reduces risk of non-compliance and speeds approvals for regulated projects. Application: Critical for facilities with strict safety and regulatory programs. Installation efficiency and ROI: Lightweight aluminum and standardized dimensions enable faster waste-free installs and easier maintenance. Business impact: Shorter project timelines, lower installation labor, and improved lifecycle cost. Application: Repeated use across panel builds and field upgrades in manufacturing environments.
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FAQs
NPL75400SA is designed to fit standard rigid/IMC conduit runs and is compatible with common locknuts, washers, and fittings used in Crouse-Hinds assemblies. Ensure the 3/4" diameter matches the conduit you are joining and that the enclosure and location are within NEC/CEC ordinary/non-hazardous classifications. Using compatible components reduces rework and ensures a secure, code-compliant connection.
The NPL75400SA is specified for ordinary/non-hazardous locations with NEC/CEC compliance, and its aluminum construction provides corrosion resistance in typical industrial environments. This combination supports durable, long-life conduit joints in control panels and equipment enclosures, while maintaining a lightweight profile to ease handling during installation and maintenance.
Yes. With a 3/4" x 4" profile, aluminum body, and rigid/IMC compatibility, the NPL75400SA is well-suited for control panels and automation racks. It simplifies conduit routing between panels and enclosures, reduces weight, and supports rapid panel builds without compromising code compliance or mechanical integrity.
The NPL75400SA aligns with NEC/CEC standards for ordinary/non-hazardous locations. Its documentation highlights UL certification for rigid-IMC fittings, and it is designed to work with standard Crouse-Hinds accessories like locknuts, washers, and plugs, ensuring regulatory compliance and reliable performance in standard industrial applications.
Aluminum NPL nipples like the NPL75400SA offer lower weight and corrosion resistance, which translates to faster handling, easier alignment, and reduced labor costs during installation. The durability and standard dimensions also lower maintenance needs by minimizing misfits and rework, delivering a favorable total cost of ownership in automation and manufacturing environments.