Aurora By-law 6543-23, s. 27.2(a) — The emergency lighting required in paragraph

The emergency lighting required in paragraph

• (b) of subsection 27.1 shall be:
• provided from a source of energy separate from the electrical supply for the building;
• (b) designed to be automatically actuated for a period of not less than 30 minutes when the electric lighting in the affected area is interrupted; and
• (c) provided to average levels of illumination not less than 10 lux at floor or tread level, but where incandescent lighting is provided, lighting equal to 1 watt per square metre of floor area shall be considered to meet this requirement. Further, where self-contained emergency lighting units are used, they shall conform to CSA C22.2 No. 141-M, "Unit Equipment for Emergency Lighting."