Warning Signs and Lights

All analytical x ray equipment must have the following items: A clearly visible label, near any switch energizing an x ray tube, which bears the radiation symbol and the words: Caution: This Equipment Produces X rays When Energized. To Be Operated Only By Authorized Personnel. A clearly visible label, near the x ray tube housing, which bears the radiation symbol and the words: Caution: High Intensity X ray Beam.