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Preload Relaxation in Aluminum PV Racking System Fasteners

Threaded fasteners are a critical component within the PV (Photovoltaic) Racking System, but people often overlook them because they’re small and relatively inexpensive. Don’t make that same mistake.

Threaded fasteners connect components through joints carrying very heavy loads. In many PV racking systems, they also create a reliable, low resistance electrical conduction path through the joint. For an in-depth look into the topic, please review the attached article written by Matrix Engineering Consultant’s President, Jon Ness, PE.

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