Authorized NSI Industries Distributor
NSI Industries TWB-60 - Bushing, Insulating, Polyethylene, Trade Size 4 Inch
NSI Industries

TWB-60

UPC: 781747400604


Documents & Media
Specification SheetVideo ClipWarrantyConflict Minerals Report

Contact for Pricing

Overview

The NSI Industries TWB-60 (SKU: TWB-60) is a polyethylene insulating bushing designed specifically for Trade Size 4" EMT conduit, providing a durable and reliable solution for protecting nonmetallic low voltage wiring. Constructed from high-impact plastic, this bushing effectively insulates voice, video, and data cables from the sharp edges of EMT conduit during both installation and operation, preventing abrasion and maintaining cable integrity. The ribbed exterior design enhances grip, making installation easier by reducing the effort required for wire pulling while ensuring a secure and stable fit within the conduit. The bushing measures 3.765 inches in dimension A, 4.790 inches in dimension B, and 1.205 inches in dimension C, ensuring compatibility with standard 4" EMT conduit systems. Ideal for electrical contractors, maintenance teams, and installers, this bushing is packaged in bulk quantities of 25 units, optimizing procurement efficiency and storage convenience. It is particularly well-suited for use in commercial and industrial applications where nonmetallic cabling enters EMT conduit, ensuring long-term performance and reliability in demanding environments.
  • Trade Size 4" EMT conduit compatibility
  • High-impact polyethylene construction
  • Ribbed design for improved grip during installation
  • Complies with NEC Article 300-15(c)
  • Bulk packaging: 25 units per box

Specifications

Application
Bushing insulates nonmetallic low voltage cabling (telephone, computer, video, data cables) sharp edges in EMT.
Bushing Type
Insulating
Color
White
Finish
No Finish
Material
Plastic
Material
Polyethylene
Series
TWB
Size
4 IN
Special Features
May be used for single or multiple voice, video, or data cables. Complies with NEC Article 300-15(c).
Temperature Rating
90?°C
Trade Size
4 in
Type
Bushing
Package Weight (Imperial)
0.128 L
Package Weight (Metric)
0.058 kg
Bushing, Insulating, Polyethylene, Trade Size 2 Inch

TWB-56

Bushing, Insulating, Polyethylene, Trade Size 2 Inch
Bushing, Plastic - 150 Degrees C, Size 3 Inch

328-B

Bushing, Plastic - 150 Degrees C, Size 3 Inch
Bushing, Insulated, Grounding, Zinc Die Cast, Size 2 Inch, 14-4 Lug

386-DC14

Bushing, Insulated, Grounding, Zinc Die Cast, Size 2 Inch, 14-4 Lug
Bushing, Insulated, Grounding, Zinc Die Cast, Size 2 1/2 Inch, 6-250 Lug

387-DC40

Bushing, Insulated, Grounding, Zinc Die Cast, Size 2 1/2 Inch, 6-250 Lug
Bushing, Insulated, Grounding, Zinc Die Cast, Size 3 Inch, 6-250 Lug

388-DC40

Bushing, Insulated, Grounding, Zinc Die Cast, Size 3 Inch, 6-250 Lug
Bushing, Insulated, Grounding, Zinc Die Cast, Size 3 1/2 Inch, 6-250 Lug

389-DC40

Bushing, Insulated, Grounding, Zinc Die Cast, Size 3 1/2 Inch, 6-250 Lug
Bushing, Insulated, Grounding, Zinc Die Cast, Size 4 Inch, 6-250 MCM Lug

390-DC40

Bushing, Insulated, Grounding, Zinc Die Cast, Size 4 Inch, 6-250 MCM Lug
Bushing, Insulated, Grounding, Zinc Die Cast, Size 1 1/4 Inch, 14-4 Lug

384-DC14

Bushing, Insulated, Grounding, Zinc Die Cast, Size 1 1/4 Inch, 14-4 Lug

Frequently Asked Questions

What is the trade size of the TWB-60 bushing?

The trade size of the TWB-60 bushing is 4 inches.

Does the TWB-60 bushing comply with any codes?

Yes, it complies with NEC Article 300-15(c).

What is the catalog ID for the TWB-60 bushing?

The catalog ID for the TWB-60 bushing is TWB-60.

What is the material of the TWB-60 bushing?

The TWB-60 bushing is made of plastic, specifically polyethylene.

What are the dimensions of the TWB-60 bushing?

The dimensions are: A = 3.765 inches, B = 4.790 inches, C = 1.205 inches.

What is the UPC number for the TWB-60 bushing?

The UPC number for the TWB-60 bushing is 781747400604.

What applications is the TWB-60 bushing suitable for?

The TWB-60 bushing is suitable for insulating telephone, computer, video, and other low voltage wiring.

How many TWB-60 bushings are in a standard package?

A standard package contains 25 TWB-60 bushings.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.