Minimum clearance distance feet up to 50 over 50 to 200 over 200 to 350 over 350 to 500 over 500 to 750 over 750 to 1 000 over 1 000. To ensure that an electrical panel can be accessed at all times during inspection maintenance or emergency osha has determined that the working space in front of the equipment must be at least 30 inches wide or the width of the equipment. Sufficient access and working space shall be provided and maintained about all electric equipment to permit ready and safe operation and.
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