![]() ![]() If OSHA doesn't explain what "properly labeled" means, then how do you know what to put on an arc flash label? As previously mentioned, the NFPA is an organization devoted to safety, and thus their guidelines are widely accepted as industry standards. Here is an example of what to include on an arc flash label following NFPA 70E guidelines and general best practices. Indeed, OSHA itself has discussed the interpretations of these regulations in more depth. This is a prime example of a gray area you may encounter when interpreting OSHA regulations. ![]() You may be thinking that that is somewhat vague, and you're right. What are the OSHA rules on arc flash?įirstly, 1910.303(e) states that "Electrical equipment must be marked with descriptive markings as necessary (voltage, current, wattage, etc.)." Secondly, 1910.335(b) states that "Employers must use alerting techniques (safety signs and tags, barricades, attendants, etc.) to warn and protect employees from hazards that could cause injury due to electric shock, burns, or failure of electric equipment parts." While neither part specifies arc flash labels directly, two subparts discuss employer responsibilities for warning employees. To explain further, OSHA and 1926 cover requirements for electrical power generation, transmission, and distribution. In a nutshell: OSHA does require labeling for electrical safety, but it does not specify how to warn employees of specific hazards, for example by requiring arc flash labels.
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