
BOXES AND ENCLOSURES FOR ELECTRICAL ACCESSORIES FOR HOUSEHOLD AND SIMILAR FIXED ELECTRICAL INSTALLATIONS - PART 23: PARTICULAR REQUIREMENTS FOR FLOOR BOXES AND ENCLOSURES
出版:European Committee for Standards - Electrical

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BOXES AND ENCLOSURES FOR ELECTRICAL ACCESSORIES FOR HOUSEHOLD AND SIMILAR FIXED ELECTRICAL INSTALLATIONS - PART 23: PARTICULAR REQUIREMENTS FOR FLOOR BOXES AND ENCLOSURES
出版:European Committee for Standards - Electrical
专家解读视频