NSI Industries 368 - Bushing, Insulated, Malleable Iron, Size 3 Inch
NSI Industries

368

UPC: 781747003683


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Overview

The NSi Industries 3-inch Insulated Malleable Iron Bushing (SKU 368) is a certified electrical fitting designed to protect conductors entering enclosures or passing through knockout points. Constructed from durable malleable iron, this bushing provides a robust barrier against abrasion and mechanical stress during wire installation or pulling. Its smoothly rounded insulating surface prevents wire damage, ensuring long-term reliability in industrial and commercial electrical systems. Meets cULus and UL certification standards for compliance with safety regulations in North American installations. The 3-inch size accommodates standard conduit entries, making it compatible with common electrical enclosures and panels. Manufactured in the US as part of NSi Industries' certified electrical fittings line, this bushing delivers consistent quality and performance for professional electrical installations where conductor protection is critical.
  • Material: Malleable iron for durability and corrosion resistance
  • Size: 3-inch standard conduit entry
  • Insulated design prevents wire abrasion during installation
  • Meets UL/cULus certification for North American electrical standards
  • Manufactured in the US for consistent quality and compliance
  • Manufactured in the USA
  • Manufactured in the USA

Specifications

Application
Used with locknut to terminate threaded rigid and IMC to box. Plastic metaliner prevents damage to wire insulation. 1/2" thru 4" rated 150 degree C, 5" and 6" rated 105 degree C.
Color
Blue
Color
Grey with Black Insulator
Finish
Zinc Electroplated
Material
Malleable Iron
Mounting Type
Locknut
Size
3 IN
Special Features
Plastic liner prevents damage to wire insulation
Standard
UL
Temperature Rating
150?°C
Trade Size
3 in
Type
Bushing
Package Weight (Imperial)
0.502 L
Package Weight (Metric)
0.228 kg
Bushing, Insulated, Grounding, Malleable Iron, Size 1 Inch

383

Bushing, Insulated, Grounding, Malleable Iron, Size 1 Inch

Frequently Asked Questions

Is this bushing UL-listed?

Yes, this bushing is UL-listed for electrical safety compliance.

What size conduit does this bushing fit?

This bushing fits standard 3-inch conduit and knockouts.

What material is this bushing made from?

This bushing is constructed from durable malleable iron.

What is the temperature rating of this bushing?

The bushing is rated for 105°C operation.

Does this bushing reduce wire pulling effort?

Yes, the smoothly rounded insulating surface reduces wire pulling effort by up to 50%.

Frequently Asked Questions about NSI Industries

What technical support does NSi Industries offer?

NSi Industries offers dedicated technical support through their toll-free technical support line at 888.500.4598. They are committed to customer satisfaction and promise to make every reasonable effort to remedy any product or service issues. Additionally, customers can contact their customer service team at 800.321.5847 or email [email protected] for further technical assistance.

What are the key features of NSi Industries products?

NSi Industries products feature exceptional versatility, reliability, and safety across multiple industrial automation categories. Key features include insulation piercing connectors with no wire stripping required, watertight and corrosion-free designs, wide wire range compatibility (from #14 AWG to 750 MCM), and the ability to install on energized conductors. Their product lines like Easy-Tap™ Connectors and TORK® Digital Timers demonstrate advanced capabilities such as turbo spacers, double shear-head bolts, astronomic scheduling, and enhanced switching technologies.

What environmental ratings do NSi Industries products have?

NSi Industries enclosures feature robust environmental ratings, including IEC 60529 IP66 certification, NEMA Type 1, 2, 3, 4, 4X, 12, and 13 ratings, and UL/CSA standards. Their products are designed for both indoor and outdoor applications, with protection against dust, water, corrosion, and extreme temperatures ranging from -40°F to 266°F.

How are NSi Industries products typically installed?

NSi Industries products are typically installed using detailed mechanical and digital wiring diagrams that specify precise connection methods for various voltage configurations (120V, 208V, 240V, 277V, 480V). Installation involves carefully following product-specific wiring schematics, which include clear terminal block connections, ground wire specifications, and phase alignment requirements. Professional electricians and technicians should reference the specific product's wiring diagram to ensure correct installation and electrical compliance.

What industries and applications are NSi Industries products used for?

NSi Industries provides electrical and automation products for diverse industrial applications, including lighting control, electrical enclosures, wire management, connectors, and sensor technologies. Their product lines serve commercial, industrial, and infrastructure markets with solutions for electrical infrastructure, control systems, and safety-critical environments.

What are the main product lines offered by NSi Industries?

NSi Industries offers a comprehensive range of industrial products including TORK® Photocontrols, Polaris™ Lighting Controls, Easy-Twist™ Grounding Solutions, Miniterms, Cable Ties, Connectors, Enclosures, Occupancy Sensors, and Wire Management systems. Their product lines span electrical components, control devices, and industrial automation accessories designed for diverse applications in commercial and industrial settings.

What accessories are available for NSi Industries products?

NSi Industries offers a range of accessories for their product lines, including photocontrol accessories like replacement caps, mounting brackets, and receptacles. Specific accessories include shorting caps, open caps, 3-pin and 7-pin receptacles, and utility mounting brackets for conduit photocontrols. For specialized applications, NSi recommends contacting their customer service team to discuss custom accessory needs.