Copper Solar Panel Grounding Lug Earthing clamp

A Copper Solar Panel Grounding Lug is a critical safety component in photovoltaic (PV) systems, designed to electrically bond and ground the metal frame of solar panels to the earth. This prevents electric shock, fire hazards, and equipment damage from lightning strikes, static buildup, or fault currents.

Features of Solar Panel Grounding Lug

• Material: Copper (often tin-plated) for high conductivity and corrosion resistance.
• Design: Hole or Slot: Attaches to the solar panel’s pre-drilled grounding hole.
• Set Screw or Compression Clip: Secures the grounding conductor (copper wire).
• Serrated Teeth: Bites into the panel frame for a low-resistance connection.
• Wide versatility: This grounding lug is designed as the most common solar grounding method in the world, suitable for solar roofs, solar grounds, solar carports, solar vegetable greenhouses and other solar photovoltaic system lightning protection grounding applications
• Strong compatibility: This system is suitable for almost all solar panels with frames on the market, and is compatible with common  roof bracket aluminum rails and ground brackets

Why copper Solar Panel Grounding Lug? Better conductivity than aluminum and less galvanic corrosion when bonded to aluminum frames.

1. The fewer parallel connections, the better the lightning conduction effect.
2. On the roof, it occupies a large area and is inevitably subject to lightning and electric shocks on thunderstorm days.
3. During the system installation process, the grounding wire is directly installed on the solar panel and then connected to the ground, or multiple panels are connected in parallel and then connected to the ground.
4. It is used to quickly conduct lightning current to the ground to prevent lightning damage and protect the components.
5. Install one for each component and then connect it to the ground in parallel, or each is directly connected to the ground. The fewer parallel connections, the better the lightning conduction effect.
6. It is suitable for connecting the yellow-green ground wire of the component or other products to the ground in the lighting system.
7. The lightning protection grounding protection wire clamp is fixed in a spiral type, which is convenient for installation and fixing on various equipment.
8. Material: copper; copper nickel-plated-the terminal is made of copper, the surface is nickel-plated, and it has the characteristics of anti-oxidation and corrosion resistance.
9. Color: silver white
10. Frame thickness range: 0.8mm-4.5mm
11. Applicable wire diameter 2.5mm2/4.0mm2/6.0mm2/10mm2/35mm2

The Copper Solar Panel Grounding Lug  or grounding  connector was matched with different frame solar panels, aluminum rails, solar carports and C-shaped steel (U-shaped steel) rails. It has a wide range of applications.