PV Components Selection
December 06, 2016
For these reasons, best practices for solar installers include using aluminum-d panels and aluminum racking in combination with aluminum or stainless steel mounts. Almost all fasteners (e.g., nuts, bolts, and washers) are stainless steel to prevent corrosion and weakening over time.
Besides, Grounding components are used to connect electrical equipment safely. However, copper in contact with aluminum outdoors rapidly corrodes from a galvanic reaction between the ls, leading to a degraded grounding connection. Correct practice is to prevent copper and aluminum from coming into contact, typically using an appropriate barrier material (like stainless steel) between the adjacent aluminum and copper components. There are certain some grounding lug designed for easy fastening to solar racks. When the panels are mechanically connected together, a reliable grounding path is established among all the panels in the array.
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