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INTRODUCTION
This guide is designed to help industry professionals achieve compliant identi cation and safety labeling on general-use
industrial control panels, in accordance with industry standards and regulatory requirements. (Refer to the most updated
versions to ensure compliance.) Relevant agencies and organizations, and their standards or regulations, include:
THE NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
• National Electrical Code (NEC) (also called NFPA 70)
• NFPA 70B
• NFPA 70E
• NFPA 79
• NFPA 77
UNDERWRITERS LABORATORIES (UL)
• UL 508A
AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)
• ANSI Z535
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)
• Requirements for electrical labeling: 29 CFR 1910.303(e)
• Speci cations for accident prevention signs and tags: 29 CFR 1910.145
• All OSHA 1910 related regulations
Use labels to mark power sources, voltage information, and more.