Practice question

What is the primary operational distinction between Type A and Type C warning lights mounted on channelizing devices?

  1. Type A lights are blue; Type C lights are red.
  2. Type A lights operate on AC power; Type C lights use solar panels.
  3. Type A lights are low-intensity flashing; Type C are steady-burn.
  4. Type A lights are used indoors; Type C lights are used outdoors.

Answer: C — Type A lights are low-intensity flashing; Type C are steady-burn.

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