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NEC Rules for X-Ray Equipment

Generating X-rays requires high voltage, and Art. 660 requirements mostly address that hazard.

Article 660 in the 2017 National Electrical Code (NEC) provides the requirements for X-ray equipment. Exposure concerns have greatly diminished with the widespread adoption of digital X-ray machines, which produce much less radiation than their older film counterparts. So, the beam is less of a problem than it used to be. But Art. 660 is not about the beam [Sec. 660.1]. Generating X-rays still requires high voltage, and the Art. 660 requirements mostly address that hazard.

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