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.



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.

Key Features
- Product Highlights
- UL ListedInspection WindowColor-CodedStandard BarrelOne-Hole DesignHigh Conductivity Copper
Technical Specifications
Common Part Specifications
| Part Number | Wire Size | Bolt Size | Die Color |
|---|---|---|---|
| MD1410-10W | 14-10 AWG | #8-#10 | YELLOW |
| MDS8-10W | 8 AWG | #8-#10 | RED |
| MDS6-10W | 6 AWG | #8-#10 | BLUE |
| MDS4-10W | 4 AWG | #10 | GRAY |
| MDS2-14W | 2 AWG | 1/4 | BROWN |
| MD1-14W | 1 AWG | 1/4 | GREEN |
| MD1/0-14W | 1/0 AWG | 1/4 | PINK |
| MD2/0-14W | 2/0 AWG | 1/4 | BLACK |
| MD3/0-56W | 3/0 AWG | 5/16 | ORANGE |
| MD4/0-14W | 4/0 AWG | 1/4 | PURPLE |
| MD250-14W | 250 KCM | 1/4 | YELLOW |

Usage
Primary Applications
- Electrical Power Distribution
- Grounding Systems
- Code Conductor Termination
- Industrial Wiring



