NSI Industries L356 - 1 Hole Long Barrel Copper Compression Lug 3 AWG - 5/16" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .
NSI Industries

L356

UPC: 662381034229

Documents & Media
Technical Bulletin

Contact for Pricing

Overview

The NSI Industries L356 is a high-quality, one-hole long barrel copper compression lug designed for reliable electrical connections. Manufactured from high conductivity copper tubing, this lug ensures excellent electrical performance and durability. Its tin plating provides superior corrosion resistance and maintains low contact resistance, crucial for long-term system integrity. The L356 is specifically engineered for 3 AWG conductors and features a 5/16" bolt size for secure mounting. This compression lug is marked with a die index and color-coded (White) for easy identification and proper application, simplifying inventory management and installation processes. It is listed for a maximum voltage rating of 35kV when installed according to cable manufacturer instructions, making it suitable for medium-voltage applications. The lug has a temperature rating of 90°C, ensuring performance in demanding thermal environments. It meets UL486A Listed Wire Connector standards and UL467 Grounding & Bonding (for applicable sizes). The maximum ampacity is determined by NEC 310.15, insulation type, and conductor material; always consult your current NEC manual for specific calculations. For applications exceeding 2000V, consult the cable manufacturer for voltage stress relief instructions. Key specifications include: - SKU: L356 - Manufacturer: NSI Industries - Wire Range: 3 AWG (Expanded: 3-6 AWG) - Bolt Size: 5/16" - Material: High Conductivity Copper - Plating: Tin - Voltage Rating: 35 kV (Max) - Temperature Rating: 90°C - Barrel ID: 0.270" - Barrel OD: 0.377" - Length (L): 2.157" - Width (W): 0.538" - Country of Origin: US The L356 is ideal for power distribution, substations, and other medium-voltage electrical infrastructure where robust and reliable terminations are paramount. Its long barrel design offers increased conductor surface contact, enhancing conductivity and pull-out strength. Trust NSI Industries for dependable connection solutions.
  • Constructed from high conductivity copper tubing for optimal electrical performance.
  • Tin-plated finish provides excellent corrosion resistance and low contact resistance.
  • Rated for 35kV maximum when properly installed, suitable for medium-voltage applications.
  • Designed for 3 AWG conductors with a 5/16" bolt size for secure termination.
  • Color-coded (White) and marked with die index for easy identification and installation.

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
# 3 AWG (STR)
Color
White
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
5/16 Mounting Hole
Number Of Holes
1
Size
L=2.15 - W=.550 - OD=.380 - ID=.270
Special Features
# 3 AWG (STR) - 5/16 Mounting Hole
Standard
UL486A/B, UL467 (8 AWG -3/0 AWG)
Stud Size
5/16 IN
Type
Long Barrel - One Hole
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
2.157 IN x 0.538 IN x 0.377 IN
Package Dimensions (L x W x H)
5.4788 cm x 13.6652 mm x 9.5758 mm
Package Weight (Imperial)
2.000 L
Package Weight (Metric)
0.907 kg
Mechanical Crimp Tool with 5/8 Inch Nose Die APPLICATIONS: Designed for use with wide range and H-Tap connectors. It has fiberglass handles and comes with "O" and "D" Nose Dies. It has an output of 4.5 tons.

OD581

Mechanical Crimp Tool with 5/8 Inch Nose Die APPLICATIONS: Designed for use with wide range and H-Tap connectors. It has fiberglass handles and comes with "O" and "D" Nose Dies. It has an output of 4.5 tons.
O' Die for OD581 Mechanical Crimp Tool

OJB

O' Die for OD581 Mechanical Crimp Tool
U-Type Compression Die - Pink 1/0 AWG Copper - 2 AWG Aluminum U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.

CD6A

U-Type Compression Die - Pink 1/0 AWG Copper - 2 AWG Aluminum U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.
U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.

CD7

U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.
Non-Insulated Parallel Splice Connector For Wire Range 6 For Circular Mil Range 20,800-33,100 Length .5 Diameter .365,Metallic

E6-PS-D

Non-Insulated Parallel Splice Connector For Wire Range 6 For Circular Mil Range 20,800-33,100 Length .5 Diameter .365,Metallic
Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.

AS-K1-H6

Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.
PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray

A1212SC-G

PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray
Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray

E989NNJ-5-HD

Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705030R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

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.