Practice question

What is the standard method for testing LED signal heads during acceptance?

Only verify they turn on
Verify each indication illuminates at correct intensity and color, check for dead pixels or dark sections, and confirm compliance with ITE specifications for luminous intensity and chromaticity
Only check the wattage
Only verify the LED model number

Answer: B — Verify each indication illuminates at correct intensity and color, check for dead pixels or dark sections, and confirm compliance with ITE specifications for luminous intensity and chromaticity

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