What is Solar Panel Earthing Washers?

Solar Panel Earthing Washers (also known as a grounding washer or bonding washer) is a specialized component used to create a safe, electrically conductive connection between a solar panel’s metal frame and the mounting system, which is ultimately connected to the earth (ground).

Its primary purpose is safety, preventing electric shock and fire hazards.

Solar Panel Earthing Washers Grounding clip has its smart and a variety of designs who is inserted between module frame and solarmounting rail, the teeth of grounding clip pierce the anodized coating well. The result is excellent conductivity without oxidation, solar panel grounding clip grounding washer for solar mounting which makes the module and rail become one singular piece of metal, stainless steel Solar Panel Earthing Washers creating an electrical path the ground.

The “How”: How the Solar Panel Earthing Washer Works
An earthing washer is ingeniously simple but specifically designed for the job. It’s not a standard flat washer.

Key Features of the Solar Panel Earthing Washers :

Sharp, Piercing Tangs (Lugs): This is the most critical feature. The washer has one or more sharp, star-shaped protrusions or pointed teeth.

Function: When the mounting bolt is tightened, these sharp tangs bite through the non-conductive anodized or powder-coated layer on the aluminum frame. This layer is an insulator, and piercing it is essential to make a solid metal-to-metal contact with the conductive aluminum underneath.

(A typical earthing washer showing the sharp, piercing tangs)

Integrated Lug or Tab: The washer has a dedicated terminal (usually a hole or a spade terminal) where a grounding wire or lug can be attached.

Function: This provides the connection point to run a copper wire from the panel frame to the next panel and eventually to the main earth grounding point.

Material: Made from a highly conductive and corrosion-resistant material, stainless steel. This ensures a long-lasting, reliable connection that won’t rust and fail over the system’s 25+ year lifespan.

Besides, SENYANG provides many different styles of solar panel earthing washers for choice, Our Solar Panel Grounding Washer is designed for different kinds of solar grounding mounting system. We provide several kinds of solar panel grounding washers for your options. All of them are with high quality, high strength and cost effective. Hope that our products will meet your satisfaction.\

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