Are Your HVAC Skills Pro-level?Share:FacebookPinterestTwitterMailWhen does OSHA requires lockout/tagout procedures?100% Correct Incorrect Lockout/tagout applies during electrical work. Isolating power sources prevents accidental startups, aligning with OSHA regulations. When does OSHA requires lockout/tagout procedures? Replacing filters Servicing live electrical parts Adding refrigerant Cleaning ducts 100%
