
Contact for Pricing
Minimum Qty: 25
Multiplier: 25
*Contact for lower quantities*
Overview
- One-piece fitting for EMT to 14/2 - 10/3 AC/MC/FMC cable transition
- Installs in 1/3 the time with 1/3 material cost
- Formed steel body with rounded bushing for cable protection
- TITE-BITE® Connector design with single screw for secure grip
- U.L. Listed as a grounding means under NEC 350-5
Specifications
Application | Combination Couplings used to join 3/4" EMT conduit via set screw to 14/2 through 10/3 Steel and Aluminum AC/MC/MCIA, and 3/8" Steel and Aluminum FMC. Patented |
Connector Type | Combination |
Material Quality | Zinc Die Cast |
Special Features | Ball Burnished Finish |
Standard | cULus |
Trade Size | 0.75 in |
Type | Coupling |
Package Weight (Imperial) | 0.125 L |
Package Weight (Metric) | 0.057 kg |

290-RT
Combination coupling for transitioning between 1/2" Rigid or IMC raceways to 1/2" EMT in wet or dry locations. Listed for use in wet locations. Raintight. PatentedFrequently Asked Questions
What types of conduit can the 4057-DC join?
The 4057-DC can join 3/4" EMT conduit to 14/2 through 10/3 Steel and Aluminum AC/MC/MCIA, and 3/8" Steel and Aluminum FMC.
What materials are used in the 4057-DC product?
The 4057-DC is made from zinc die cast material with a ball burnished finish.
What are the certifications for the 4057-DC?
The 4057-DC is UL listed and conforms to UL STD 514B and is certified to CAN/CSA STD. C22.2 No. 18.3.
What is the trade size of the 4057-DC?
The trade size of the 4057-DC is 3/4 inches.
Is the 4057-DC patented?
Yes, the 4057-DC is patented with Patent Number D668,618.
How is the 4057-DC installed?
The 4057-DC is installed by joining EMT conduit via set screw to the appropriate AC/MC/FMC cables.
What is the standard package quantity for the 4057-DC?
The standard package quantity for the 4057-DC is 100 units, with a unit quantity of 25.
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.







