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

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NEC 600.23(E) addresses secondary connections of neon transformers and electronic power supplies. Which connection method is prohibited?

Connecting secondary-circuit outputs in parallel or in series Landing listed GTO on a listed electrode receptacle Using a listed midpoint-return on a balanced transformer Connecting each transformer to its own isolated tubing load

Correct Answer:

Connecting secondary-circuit outputs in parallel or in series

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