The Ontario Building Code | Floor Numbering
22.214.171.124. floor Numbering
(1) Arabic numerals indicating the assigned floor number shall be,
(b) in hotels, mounted permanently on each side of the exit doors to the exit stair shaft,
(c) not less than 60 mm high, raised approximately 0.8 mm above the surface,
(e) contrasting in colour with the surface on which they are applied.
9.9.12. lighting="http://thehandyforce.com/electrical/" title ="East York Electrician">lighting