Nsi Industries 259-US 4 Inch Steel Emt Connector

Product Description

The NSI INDUSTRIES 259-US is a 4-inch steel EMT connector designed for use in electrical conduit installations. This fitting secures EMT conduit to electrical enclosures, junction boxes, and panels, providing a reliable mechanical connection at the termination point. Constructed from domestic steel, it meets the expectations of licensed electricians working on commercial and industrial electrical systems where material origin and build quality matter. The connector is sized for 4-inch EMT trade size conduit and is manufactured in the USA.

This connector is suited for use in commercial and industrial electrical installations where 4-inch EMT conduit terminates at enclosures, panels, or pull boxes. It is a standard trade-size fitting installed by journeyman and master electricians on new construction and retrofit projects requiring steel conduit systems.

Key Features

• Sized for 4-inch trade size EMT conduit
• Steel construction for durability in demanding install environments
• Manufactured in the USA
• Standard connector form factor for box and enclosure terminations

Compatibility

Designed as an OEM-style fitting for use with 4-inch trade size EMT conduit systems in standard electrical enclosure and panel installations.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC requirements for EMT conduit systems. De-energize all circuits before making connections at panels or enclosures. Use appropriate conduit reaming tools to deburr cut conduit ends before fitting to prevent insulation damage on conductors. Ensure the connector is fully seated and secured to the enclosure knockout with the locknut tightened to maintain proper grounding continuity.

Technical Specifications

• Conduit Type: EMT
• Trade Size: 4 inches
• Material: Steel
• Country of Origin: USA
• UPC: 78174702259

Standard Information

• Brand: NSI INDUSTRIES
• Manufacturer Part Number: 259-US