Practice question

What is the significance of the DLC (DesignLights Consortium) qualification for LED roadway luminaires?

  1. It is a decorative award
  2. It certifies that the luminaire meets minimum performance requirements for efficacy, color quality, lumen maintenance, and driver reliability, and qualifies for utility rebates
  3. It certifies the pole strength
  4. It certifies the installer's competency

Answer: B — It certifies that the luminaire meets minimum performance requirements for efficacy, color quality, lumen maintenance, and driver reliability, and qualifies for utility rebates

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