Appleton UNF75 Explosion Proof Union 3/4 Inch

Product Description

The APPLETON UNF75 is a 3/4-inch explosion proof union designed for use in hazardous location electrical installations. This fitting allows conduit runs to be joined and disconnected without rotating the conduit itself, which is a critical feature in rigid conduit systems installed in classified areas. It is built to contain any ignition from internal sparks or arcs, preventing propagation to the surrounding atmosphere. Licensed electricians and industrial electrical contractors are the primary installers of this type of fitting in compliance with NEC hazardous location requirements.

This union is suited for industrial, commercial, and petrochemical facilities where flammable gases, vapors, or dusts may be present. Typical applications include oil refineries, chemical processing plants, grain handling facilities, and other environments classified under NEC Article 500. The 3/4-inch trade size fits standard rigid metal conduit systems at that size, making it a common component in hazardous area wiring methods.

Key Features

• Explosion proof construction designed to contain internal arcs and prevent ignition of surrounding hazardous atmospheres
• 3/4-inch trade size fits standard rigid metal conduit at that diameter
• Allows conduit disconnection without rotating the conduit run, simplifying maintenance and service
• Built for use in NEC-classified hazardous locations per Article 500

Compatibility

Designed as an OEM-style fitting for use with 3/4-inch rigid metal conduit systems in hazardous location electrical installations.

Installation Notes

Installation must be performed by a licensed electrician familiar with NEC hazardous location wiring requirements. De-energize all circuits completely before beginning conduit work in classified areas. Ensure all threads are fully engaged and that the union is rated for the specific hazardous location class and division of the installation. Follow applicable local electrical codes and NEC Article 500 requirements throughout the installation.

Technical Specifications

• Trade Size: 3/4 inch
• Type: Explosion Proof Union
• UPC: 78138169395

Standard Information

• Brand: APPLETON
• Manufacturer Part Number: UNF75