NSi Industries 233-I - Connector, Set Screw, Steel, Insulated Throat, Size 1-1/4 Inch
NSI Industries

233-I

UPC: 781747102331

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Minimum Qty: 20

Multiplier: 20

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Overview

The NSi Industries 233-I is a 1-1/4 inch steel set screw connector designed for secure electrical and mechanical connections in industrial applications. This connector features an insulated throat, a key safety component that reduces wire pulling effort by up to 50% and protects against electrical hazards. Manufactured by NSi Industries, a trusted name in electrical fittings, the 233-I is constructed from hardened steel for durability and positive holding strength. The set screw design eliminates the need for conduit threading, simplifying installation and ensuring a reliable ground. Approved for concrete-tight applications, this connector conforms to UL 514B and CSA C22.2 No. 18 standards. It is listed and certified by UL (File No: E-23018) and CSA (LR-2884, LR-4484). The 233-I is an ideal choice for professionals requiring dependable performance in demanding environments where safety and efficiency are paramount.
  • 1-1/4 Inch Steel Set Screw Connector
  • Insulated Throat for reduced wire pulling effort (up to 50%)
  • Hardened steel construction for durability and holding strength
  • Eliminates conduit threading for easier installation
  • UL Listed (E-23018) and CSA Certified (LR-2884, LR-4484)

Specifications

Application
Used to secure steel EMT to box or enclosure. Concrete-tight when taped. Plastic insulator rated 105 degree C.
Connector Type
Set Screw
Finish
Zinc Electroplated
Insulation
Insulated Throat
Material Quality
Steel
Size
1-1/4 IN
Special Features
Furnished with Tri-Drive slot/Phillips/Robertson head screws
Standard
cULus
Temperature Rating, Maximum
221.00000 F
Temperature Rating, Maximum
105 °C
Temperature Rating, Maximum
221 F
Temperature Rating, Maximum
105 C
Temperature Rating, Minimum
221.00000 F
Temperature Rating, Minimum
221 F
Temperature Rating, Minimum
105 C
Trade Size
1-1/4 in.
Type
Connector
Package Weight (Imperial)
0.367 L
Package Weight (Metric)
0.166 kg

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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.