LED sign temperature performance depends on far more than the outdoor air reading. This engineering guide explains junction temperature, cabinet heat, cold starts, power-supply derating, thermal cycling, condensation, and the specifications buyers should demand for reliable indoor and outdoor LED displays.
Custom Signage Factory manufactures commercial signs for sign companies, contractors, distributors, and multi-site brands. With a 20,000 m² workshop, 80+ production workers, 50+ machines, and an annual capacity of 100,000 pieces, we produce LED letters, light boxes, pylon signs, gas station signage, neon signs, and custom OEM sign systems.
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