/faqs/if-leds-in-pcb-need-ground-35871.html

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General LED lights have double insulation design, if they work at low voltage, they do not need to be grounded and can work normally.

However, if the voltage is too high or it is humid, or if it isa Class I lamp (LED street lamp, floodlight), grounding the LED lamp can effectively ensure our safety, avoid electric shock and fire, and protect the LED components from damage.

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