The following amendments, additions, and/or deletions are made to Section 110.26 of the National Electrical Code: Section 110.26(D), "Illumination," is amended to read as follows: In addition to Article 110.26(D) and Emergency Illumination, Section 700.16, in all commercial occupancies, a wall mounted battery pack operated emergency illumination shall be provided for all working spaces about service equipment, switchboards, panelboards, load centers and motor control centers installed indoors. The battery shall be of suitable rating and capacity to supply and maintain the total load for a minimum period of 2 hours.