Claire Kearns-McCoy and Michael Scott of Intertek CEA report a rise in junction box failures across utility-scale and rooftop solar sites – from performance-robbing solder defects to outright fires – and explain why the only reliable window to catch these problems closes as soon as the potting compound cures.
By Claire Kearns-McCoy and Michael Scott
31 Aug 2026
A junction box terminal with a partial solder joint was sufficient for the module to pass a flash test but will cause performance loss over a longer period.
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