National Fire Protection Association (Estados Unidos). (2022). Standard for electrical equipment maintenance, NFPA 70B (2023 edition.). Quincy, Massachusetts: National Fire Protection Association.
Citación estilo ChicagoNational Fire Protection Association (Estados Unidos). Standard for Electrical Equipment Maintenance, NFPA 70B. 2023 edition. Quincy, Massachusetts: National Fire Protection Association, 2022.
Cita MLANational Fire Protection Association (Estados Unidos). Standard for Electrical Equipment Maintenance, NFPA 70B. 2023 edition. Quincy, Massachusetts: National Fire Protection Association, 2022.
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