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NSI Industries RSK-750 - Easy-Splice Direct Burial Splice Kit with Rubber Cover 250 - 750 MCM Direct Burial Splice Kits are dual-rated for use with copper and aluminum cable. These kits consist of an in-line mechanical set screw connector pre-filled with oxide inhibitor and an EPDM rubber insulating cover to ensure a watertight seal. Rated 600 Volts APPLICATIONS: Street lights, motor connection, irrigation systems, HVAC, outdoor lighting, and over wire nuts for a secure seal.
NSI Industries

RSK-750

UPC: 662381169488

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Overview

The NSI Industries RSK-750 Easy-Splice Direct Burial Splice Kit provides a reliable, UL486D-listed solution for securing and insulating splices in copper and aluminum cables ranging from 250 to 750 MCM. This kit features an in-line mechanical set-screw connector pre-filled with oxide inhibitor to prevent corrosion and ensure long-term conductivity. The included EPDM rubber insulating cover delivers a watertight, UV-resistant seal, making it ideal for direct burial applications where environmental exposure is a concern. Designed for heavy-duty use, the RSK-750 is rated for 600 volts and supports applications such as street lights, motor connections, irrigation systems, HVAC units, and outdoor lighting. The splice kit’s mechanical set-screw design ensures a secure connection without the need for specialized tools, while the pre-applied oxide inhibitor simplifies installation and reduces the risk of oxidation over time. The EPDM rubber cover is engineered to withstand direct burial conditions, providing both electrical insulation and mechanical protection. Each RSK-750 kit includes one mechanical connector and one rubber cover, with a standard carton quantity of 3 units. The connector length is 6.25 inches, accommodating the full range of 250-750 MCM cables. This splice kit is dual-rated for both copper and aluminum conductors, eliminating the need for separate connectors and reducing inventory complexity. The UL486D listing confirms compliance with stringent safety and performance standards, ensuring reliable operation in demanding environments. For professionals seeking a durable, easy-to-install solution for direct burial splices, the NSI RSK-750 combines mechanical reliability with environmental protection. Its design allows for immediate energization of cables post-installation, making it a practical choice for time-sensitive projects. Whether used in municipal infrastructure, industrial settings, or commercial installations, this splice kit delivers consistent performance and peace of mind.
  • Dual-rated for copper and aluminum cables (250-750 MCM)
  • UL486D-listed and rated for 600 volts
  • Includes mechanical set-screw connector with pre-applied oxide inhibitor
  • EPDM rubber cover provides watertight, UV-resistant seal for direct burial
  • Connector length: 6.25 inches; standard carton quantity: 3 units

Specifications

Application
Splicing Wire
Cable Size
250-750 MCM
Cable Type
Class A-B
Color
Black
Connection Type
Set Screw Connector
Insulation
EPDM Rubber
Material
EPDM Rubber, Copper/Aluminum
Mounting Type
Direct Burial
Number Of Cables
2
Operating Temperature
-40 C To 90 C
Series
RSK
Size
250 - 750 MCM
Special Features
Dual Rated For Use With Copper And Aluminum Cable
Type
Direct Burial Splice Kit With Rubber Cover
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
16 IN x 2.128 IN x 2.128 IN
Package Dimensions (L x W x H)
40.64 cm x 5.4051 cm x 5.4051 cm
Package Weight (Imperial)
2.124 L
Package Weight (Metric)
0.963 kg
Easy-Splice Direct Burial Splice Kit with Rubber Cover 14 - 2/0 AWG Direct Burial Splice Kits are dual-rated for use with copper and aluminum cable. These kits consist of an in-line mechanical set screw connector pre-filled with oxide inhibitor and an EPDM rubber insulating cover to ensure a watertight seal. Rated 600 Volts APPLICATIONS: Street lights, motor connection, irrigation systems, HVAC, outdoor lighting, and over wire nuts for a secure seal.

RSK-2/0

Easy-Splice Direct Burial Splice Kit with Rubber Cover 14 - 2/0 AWG Direct Burial Splice Kits are dual-rated for use with copper and aluminum cable. These kits consist of an in-line mechanical set screw connector pre-filled with oxide inhibitor and an EPDM rubber insulating cover to ensure a watertight seal. Rated 600 Volts APPLICATIONS: Street lights, motor connection, irrigation systems, HVAC, outdoor lighting, and over wire nuts for a secure seal.
This is a 1-3/8" Uraseal® electrical splice kit for butt or branch splices. It is intended for direct burial and watertight applications. The kit uses a permanent encapsulant and is black in color. It is rated for 600 volts or less and an operating temperature up to 90° C.

ES137S

This is a 1-3/8" Uraseal® electrical splice kit for butt or branch splices. It is intended for direct burial and watertight applications. The kit uses a permanent encapsulant and is black in color. It is rated for 600 volts or less and an operating temperature up to 90° C.
Easy-Splice Copper Direct Burial Butt Splice Kit for #14 to #8 AWG Utilizing a mechanical copper butt splice and a heavy wall heat shrink tubing to create a fully insulated splice for copper conductors only. Temperature Rating: 105 degrees C. 600 Volt Maximum.

SKCB-8

Easy-Splice Copper Direct Burial Butt Splice Kit for #14 to #8 AWG Utilizing a mechanical copper butt splice and a heavy wall heat shrink tubing to create a fully insulated splice for copper conductors only. Temperature Rating: 105 degrees C. 600 Volt Maximum.
Easy-Splice Dual Rated Direct Burial Butt Splice Kit for 1/0 AWG to 250 MCM Utilizing a mechanical dual rated splice and matched heavy wall heat shrink tubing to create an insulated splice for copper and/or aluminum cables. Temperature Rating: 105 degrees C. 600 Volt Maximum.

SKAB-250

Easy-Splice Dual Rated Direct Burial Butt Splice Kit for 1/0 AWG to 250 MCM Utilizing a mechanical dual rated splice and matched heavy wall heat shrink tubing to create an insulated splice for copper and/or aluminum cables. Temperature Rating: 105 degrees C. 600 Volt Maximum.
Easy-Splice Direct Burial Splice Kit with Rubber Cover 6 AWG - 350 MCM Direct Burial Splice Kits are dual-rated for use with copper and aluminum cable. These kits consist of an in-line mechanical set screw connector pre-filled with oxide inhibitor and an EPDM rubber insulating cover to ensure a watertight seal. Rated 600 Volts APPLICATIONS: Street lights, motor connection, irrigation systems, HVAC, outdoor lighting, and over wire nuts for a secure seal.

RSK-350

Easy-Splice Direct Burial Splice Kit with Rubber Cover 6 AWG - 350 MCM Direct Burial Splice Kits are dual-rated for use with copper and aluminum cable. These kits consist of an in-line mechanical set screw connector pre-filled with oxide inhibitor and an EPDM rubber insulating cover to ensure a watertight seal. Rated 600 Volts APPLICATIONS: Street lights, motor connection, irrigation systems, HVAC, outdoor lighting, and over wire nuts for a secure seal.
Easy-Splice Dual Rated Direct Burial Butt Splice Kit for #6 to 1/0 AWG Utilizing a mechanical dual rated splice and matched heavy wall heat shrink tubing to create an insulated splice for copper and/or aluminum cables. Temperature Rating 105 degrees C. 600 Volt Maximum.

SKAB-0

Easy-Splice Dual Rated Direct Burial Butt Splice Kit for #6 to 1/0 AWG Utilizing a mechanical dual rated splice and matched heavy wall heat shrink tubing to create an insulated splice for copper and/or aluminum cables. Temperature Rating 105 degrees C. 600 Volt Maximum.
Easy-Splice Self Sealing UF Splice Kit for 3 Conductor Cable Fully waterproof, submersible and re-enterable splice, through the use of uniquely designed interference fit covers. Kit comes complete with a connector, silicone and cover AWG UF cable.

SKSS-3

Easy-Splice Self Sealing UF Splice Kit for 3 Conductor Cable Fully waterproof, submersible and re-enterable splice, through the use of uniquely designed interference fit covers. Kit comes complete with a connector, silicone and cover AWG UF cable.
Easy-Splice UF Cable Direct Burial Splice Kit for 14/3 to 8/3 For simplified splicing of UF cable designed with heavy wall head shrink with sealant. This kit will accommodate 14/3 through 8/3 with ground UF cable and create a direct burial splice. Contains one four-position connector. Temperature Rating: 105 degrees C. 600 Volt Maximum.

SKDB

Easy-Splice UF Cable Direct Burial Splice Kit for 14/3 to 8/3 For simplified splicing of UF cable designed with heavy wall head shrink with sealant. This kit will accommodate 14/3 through 8/3 with ground UF cable and create a direct burial splice. Contains one four-position connector. Temperature Rating: 105 degrees C. 600 Volt Maximum.

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.