International Electrotechnical Commission

ENclosed electrical operating area 
room or location for electrical equipment to which access is restricted to skilled or instructed persons by the opening of a door or the removal of a barrier by the use of a key or tool and which is clearly marked by appropriate warning signs

TC/SC:82Terms     Info     Publications
Published in:IEC 62109-1, ed. 1.0 (2010-04) Terms     Info
Reference number:3.9

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