This decision-stage guide explains why LED lights flicker in commercial and outdoor projects, how to quickly narrow down the root cause (power quality, wiring, controls/dimming, driver, or LED module), and which checks are safe for facilities teams versus electrician-only work. It also shows buyers how to specify measurable “flicker-free” requirements using PstLM/SVM and how to write RFQ language vendors can’t dodge—reducing rework risk after handover.
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