NM CID ES-1 Practice Questions - New Mexico CID ES-1 Electrical Signs And Outline Lighting Examination Exam

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NEC 600.9(B) requires neon tubing, other than listed dry-location portable signs, that is readily accessible to pedestrians to be which of the following?

Operated at not more than 30 volts Protected from physical damage Installed without tube supports so it can flex Buried not less than 24 inches

Correct Answer:

Protected from physical damage

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