Authorized NSI Industries Distributor
NSI Industries L256P - 1 Hole Long Barrel Copper Compression Lug with Peep Hole 2 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 L256P 1 Hole Long Barrel Copper Compression Lug with Peep Hole 2 AWG - 5/16" Bolt Long Barrel…

UPC: 662381335746


Documents & Media
Technical Bulletin

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The NSI Industries L256P 1 Hole Long Barrel Copper Compression Lug is a high-conductivity copper connector engineered for 2 AWG copper cables with a 5/16" bolt. Designed for industrial and electrical applications, this lug features a long barrel for enhanced mechanical strength and a peep hole for visual verification of cable insertion depth. The tin-plated copper construction ensures low contact resistance and superior corrosion resistance, meeting UL486A and UL467 standards for grounding and bonding applications. Key specifications include a temperature rating of 90°C and a maximum voltage rating of 600V, with a listed capability for 35KV applications when installed per cable manufacturer instructions. The L256P is color-coded (brown) and die-indexed for easy identification and proper tool selection. Its long barrel design accommodates expanded wire ranges, providing flexibility for various cable sizes within the 2 AWG range. The peep hole allows for quick inspection to confirm complete cable insertion, reducing installation errors and ensuring long-term electrical integrity. The product is supplied in standard cartons of 50 units, ensuring availability for bulk installations. For applications exceeding 2000V, consult the cable manufacturer for voltage stress relief instructions to maintain optimal performance and safety.
  • 1 Hole long barrel design for 2 AWG copper cables
  • 5/16" bolt size with peep hole for visual cable insertion verification
  • Tin-plated copper construction for low contact resistance and corrosion resistance
  • UL486A and UL467 listed for grounding and bonding applications
  • Temperature rating: 90°C, Voltage rating: 600V, Max 35KV when installed per instructions
  • Color-coded (brown) and die-indexed for easy identification
  • Listed for 35KV applications when installed per manufacturer instructions
  • Manufactured in the USA by NSI Industries

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
# 2 AWG (STR)
Color
Brown
Connection Type
Compression Lug
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
5/16 Mounting Hole IN
Number Of Holes
1
Size
L=2.07 - W=.602 - OD=.421 - ID=.315 IN
Size
2 AWG - 5/16" Bolt
Special Features
# 2 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 With Peep Hole
Voltage Rating
600 V
Voltage Rating
35 kV
Warranty
1 Year
Package Dimensions (L x W x H)
2.071 IN x 0.602 IN x 0.421 IN
Package Dimensions (L x W x H)
5.2603 cm x 15.2908 mm x 10.6934 mm
Package Weight (Imperial)
1.750 L
Package Weight (Metric)
0.794 kg
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Frequently Asked Questions

What wire size does the L256P support?

The L256P supports 2 AWG copper cables with an expanded range of 2 AWG.

What is the bolt size for the L256P?

The L256P uses a 5/16" bolt for secure mounting.

What is the temperature rating of the L256P?

The L256P has a temperature rating of 90°C.

What is the voltage rating of the L256P?

The L256P has a voltage rating of 600V and is listed for 35KV applications when installed per instructions.

What standards does the L256P meet?

The L256P is UL486A and UL467 listed for grounding and bonding applications.

What is the purpose of the peep hole in the L256P?

The peep hole allows for visual verification of cable insertion depth to ensure complete termination.

What is the color code for the L256P?

The L256P is color-coded brown for easy identification.

What applications is the L256P suitable for?

The L256P is suitable for electrical panels, switchgear, industrial machinery, and renewable energy systems.

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