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NSI Industries 1258-S - Entrance Cap, Set Screw, Two Screws, Aluminum, Size 3 Inch
NSI Industries

1258-S

UPC: 781747012487


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Overview

The NSi Industries 1258-S Entrance Cap is a precision-engineered aluminum component designed for secure and reliable installation in industrial and commercial environments. Measuring 3 inches in diameter, this entrance cap features two set screws for a firm, vibration-resistant grip on cables, conduits, or pipes. Constructed from high-quality aluminum, it provides excellent corrosion resistance and lightweight durability, making it ideal for harsh or outdoor applications where moisture, dust, or debris exposure is a concern. Engineered for use in manufacturing, construction, facility maintenance, and machinery enclosures, the 1258-S ensures a professional finish while protecting internal components from environmental contaminants. Its simple two-screw design allows for quick installation and adjustment without specialized tools, reducing downtime during setup or maintenance. Compatible with standard 3-inch entry points, this cap is a cost-effective solution for safeguarding cable entries, conduit systems, or protective housings in both new installations and retrofit projects.
  • 3-inch diameter aluminum entrance cap for secure cable/conduit entry points
  • Two set screws for vibration-resistant, tamper-proof installation
  • Corrosion-resistant aluminum construction for outdoor and harsh environments
  • Compatible with standard 3-inch entry points in enclosures and housings
  • Quick installation and adjustment without specialized tools

Specifications

Application
Set screw type entrance cap for rigid conduit or IMC. 3 holes 1 3/4" dia.; 4 holes 1 1/8" dia.
Application
4 holes 1 1/8" dia.;Set screw type entrance cap for rigid conduit or IMC. 3 holes 1 3/4" dia.
Cable Entry
Phenolic entrance to 2 set screw exit for conduit
Finish
No Finish
Material
Aluminum
Mounting Type
Set Screw
Series
1258
Size
3 IN
Special Features
3 holes 1-3/4" dia., 4 holes 1-1/8" dia.
Standard
UL
Trade Size
3 in
Type
Entrance Caps
Package Dimensions (L x W x H)
13.625 IN x 8.625 IN x 7.5 IN
Package Dimensions (L x W x H)
34.6075 cm x 21.9075 cm x 19.05 cm
Package Weight (Imperial)
6.600 L
Package Weight (Metric)
2.994 kg
Entrance Cap, Set Screw, One Screw, Aluminum, Size 1-1/4 Inch

1254-S

Entrance Cap, Set Screw, One Screw, Aluminum, Size 1-1/4 Inch
Conduit Hub with Ground Ring, 1 Inch, Zinc Body, Flame Retardant Insulated Throat, Nitrile Rubber Sealing Ring, For Rigid/IMC Applications, UL E3060, Conforms to UL514B

HUB100GR-SC

Conduit Hub with Ground Ring, 1 Inch, Zinc Body, Flame Retardant Insulated Throat, Nitrile Rubber Sealing Ring, For Rigid/IMC Applications, UL E3060, Conforms to UL514B
Clamp-on service entrance cap for 4-inch EMT and rigid/IMC conduit. It is made of aluminum with a silver color and no additional finish. The enclosure is listed as Weatherhead.

95138

Clamp-on service entrance cap for 4-inch EMT and rigid/IMC conduit. It is made of aluminum with a silver color and no additional finish. The enclosure is listed as Weatherhead.
Entrance Cap, Mast, Aluminum, Size 2 Inch, 1 1/4 Inch Cap

1246-MT

Entrance Cap, Mast, Aluminum, Size 2 Inch, 1 1/4 Inch Cap
Entrance Cap, Clamp-On, Size 1-1/4 Inch

1254

Entrance Cap, Clamp-On, Size 1-1/4 Inch
Entrance Cap, Set Screw, Two Screws, Aluminum, Size 3-1/2 Inch

1259-S

Entrance Cap, Set Screw, Two Screws, Aluminum, Size 3-1/2 Inch
Entrance Cap, Set Screw, Two Screws, Aluminum, Size 4 Inch

1260-S

Entrance Cap, Set Screw, Two Screws, Aluminum, Size 4 Inch
Entrance Cap, Clamp-On, Aluminum, Size 3/4 Inch

1252

Entrance Cap, Clamp-On, Aluminum, Size 3/4 Inch

Frequently Asked Questions

What is the standard package quantity for the 1258-S?

The standard package quantity for the 1258-S entrance cap is 1 unit.

What is the trade size of the 1258-S entrance cap?

The trade size for the 1258-S entrance cap is 3 inches.

What NEMA standard does the 1258-S entrance cap comply with?

The 1258-S entrance cap complies with NEMA Standard FB-1.

What UL standard does the 1258-S entrance cap meet?

The 1258-S entrance cap meets UL Standard UL-514B.

What is the application for the 1258-S entrance cap?

The 1258-S entrance cap is a set screw type designed for rigid conduit or IMC.

What is the finish of the 1258-S entrance cap?

The 1258-S entrance cap has a plain finish.

What is the 1258-S entrance cap made of?

The 1258-S entrance cap is made from aluminum.

What UL standard does the 1258-S entrance cap meet?

The 1258-S entrance cap meets UL Standard UL-514B.

What is the standard package quantity for the 1258-S?

The standard package quantity for the 1258-S entrance cap is 1 unit.

What is the trade size of the 1258-S entrance cap?

The trade size for the 1258-S entrance cap is 3 inches.

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