During racking and panel installation at large-scale solar projects, thousands and thousands of bolts must be fastened at just-the-right torque level to ensure the array stays together. Too tight and the bolts can damage the long-term structural integrity of the system. When it comes to solar mounting systems, setting the correct bolt torque is crucial. The recommended torque settings can vary based on factors such as bolt size, material, the. As with all electrical installations, insuring properly tightened terminal connections at all DC and AC terminals is crucial to maintain safe and reliable installations, as many of these components carry up to 1K VDC. Assembly and cover faceplate screws also have proper torque specifications to. Torque is a commonly used term in Solar PV system inspection, which refers to the act of tightening a mechanical fastener. Do NOT tighten with impact gun. For other styles or materials not shown here, feel free to contact the Engineers at AceClamp for further assistance.