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Safe area
1. Nonhazardous (unclassified) location. 2. An area in which explosive gas/air mixture are not expected to be present so that special precautions for the construction and use of electrical apparatus are not required.
1. Nonhazardous (unclassified) location. 2. An area in which explosive gas/air mixture are not expected to be present so that special precautions for the construction and use of electrical apparatus are not required.