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NSI Industries 234-USI - Connector, Set Screw, Made in the USA Steel, Insulated Throat, Size 1 1/2 Inch. Rated 105 Degree C
NSI Industries

234-USI

UPC: 781747242341


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Minimum Qty: 10

Multiplier: 10

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Overview

The NSi Industries 234-USI Set Screw Connector (SKU: 234-USI) is a Made in the USA electrical conduit fitting designed for secure, high-temperature applications. This 1 1/2-inch connector features a steel body with a set screw design for positive holding strength and ground continuity. The insulated throat reduces wire pulling effort by up to 50% and prevents electrical contact hazards, enhancing safety in conduit systems. Rated for 105°C operation, it meets UL 514B, CSA C22.2 No. 18, and NFPA 70-1999 standards, ensuring compliance with industrial and commercial electrical codes. The connector is approved for concrete-tight installations and is compatible with rigid and intermediate metal conduit systems. Ideal for demanding environments where durability and electrical safety are critical, the 234-USI delivers reliable performance in construction, manufacturing, and infrastructure projects. The steel construction provides corrosion resistance and mechanical strength, while the captive hex head screws ensure vibration-resistant connections.
  • 1 1/2-inch steel set screw connector for rigid/intermediate metal conduit
  • Insulated throat reduces wire pulling effort by up to 50%
  • Rated 105°C for high-temperature applications
  • UL 514B, CSA C22.2 No. 18, NFPA 70-1999 compliant
  • Concrete-tight approval for secure installations

Specifications

Application
Used to secure steel EMT to box or enclosure. Concrete tight when taped. Rated 105degreeC
Connector Type
Set Screw
Finish
Zinc Electroplated
Insulation
Insulated Throat
Material Quality
Steel
Size
1 1/2 in
Special Features
Concrete tight
Standard
UL
Temperature Rating, Maximum
221 F
Temperature Rating, Maximum
105 C
Temperature Rating, Minimum
221 F
Temperature Rating, Minimum
105 C
Trade Size
1-1/2 in.
Type
Connector
Package Weight (Imperial)
0.646 L
Package Weight (Metric)
0.293 kg
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Set Screw Connector, Concrete Tight, Conduit Size 3-1/2 Inches, Length 3.906 Inches, Material Zinc Plated Steel, For use with EMT Conduit
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Connector, Set Screw, Made in the USA Steel, Size 3/4 Inch
Connector, Set Screw, Made in the USA Steel, Size 1/2 Inch.

230-US

Connector, Set Screw, Made in the USA Steel, Size 1/2 Inch.
Connector, Set Screw, Made in the USA Steel, Size 1-1/4" Inch

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Connector, Set Screw, Made in the USA Steel, Size 1-1/4" Inch
Connector, Set Screw, Made in the USA Steel, Size 1 Inch

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Connector, Set Screw, Made in the USA Steel, Size 1 Inch
Connector, Set Screw, Made in the USA Steel. Size 1 1/2 Inch

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Connector, Set Screw, Made in the USA Steel. Size 2 Inch

235-US

Connector, Set Screw, Made in the USA Steel. Size 2 Inch

Frequently Asked Questions

What is the standard package quantity for this connector?

The standard package quantity for the 234-USI connector is 60 units.

What are the dimensions of the 234-USI connector?

Dimension A is 2.880 in, Dimension B is 2.250 in, and Dimension C is 0.500 in.

Where is the 234-USI connector manufactured?

The 234-USI connector is manufactured in the USA.

What certifications does the 234-USI connector have?

It has UL File Number E24001, UL Standard UL514B, Federal Specification W-F-408E, and NEMA Standard FB-1.

What is the trade size of the 234-USI connector?

The trade size of the 234-USI connector is 1-1/2 inches.

Is the 234-USI connector suitable for concrete applications?

Yes, the connector is concrete tight when taped.

What is the maximum temperature rating for this connector?

The connector is rated for 105°C.

What material and finish is the 234-USI connector?

The 234-USI connector is made from steel and has a Zinc Electro-Plated finish.

What is the primary application of this connector?

This connector is used to secure steel EMT to a box or enclosure. It is also concrete tight when taped.

What is the primary application of this connector?

This connector is used to secure steel EMT to a box or enclosure. It is also concrete tight when taped.

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