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

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NEC 600.22 requires ballasts used in electric signs to be identified for the use, listed, and provided with which protection?

Only a primary fuse at the service disconnect Thermal protection A concrete-encased electrode A 100-ampere frame circuit breaker

Correct Answer:

Thermal protection

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