One-Hole Copper Lug with Inspection Window

UL Listed copper compression lug featuring color-coded identification. An inspection window allows for verifying proper wire insertion.

One hole code conductor standard barrel copper lug with inspection window - Image 1

Technical Specifications

Product Overview

Professional Grade Copper Compression Lug

This UL-listed copper compression lug is engineered for reliable power and grounding applications. Designed with a standard barrel and an integrated inspection window, it allows for quick and accurate visual verification of proper conductor insertion. The lug is color-coded to ensure easy identification during installation, making it an ideal choice for professional electrical projects requiring secure and durable terminations.


Close up of a one-hole copper lug showing the inspection window and markings
Standard barrel copper lug with inspection window for verifying wire insertion.

Key Features

Product Highlights
UL ListedInspection WindowColor-CodedStandard BarrelOne-Hole DesignHigh Conductivity Copper

Technical Specifications

Common Part Specifications

Part NumberWire SizeBolt SizeDie Color
MD1410-10W14-10 AWG#8-#10YELLOW
MDS8-10W8 AWG#8-#10RED
MDS6-10W6 AWG#8-#10BLUE
MDS4-10W4 AWG#10GRAY
MDS2-14W2 AWG1/4BROWN
MD1-14W1 AWG1/4GREEN
MD1/0-14W1/0 AWG1/4PINK
MD2/0-14W2/0 AWG1/4BLACK
MD3/0-56W3/0 AWG5/16ORANGE
MD4/0-14W4/0 AWG1/4PURPLE
MD250-14W250 KCM1/4YELLOW

Technical diagram of the copper lug dimensions
Technical diagram illustrating key dimensions including bolt size, barrel length, and inspection window placement.

Usage

Primary Applications

  • Electrical Power Distribution
  • Grounding Systems
  • Code Conductor Termination
  • Industrial Wiring

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