Nanaimo By-law 5000, s. 7(a) — Traffic and Highways Regulation Bylaw

On the front of the vehicle, two amber lights, on at each extreme width of the vehicle and/or load and as near the top as practicable.

• (b) On the rear of the vehicle, two amber lights, one at each extreme width of the vehicle and/or load, and as near the top as practicable. Providing, however, in the case of a vehicle where it is impracticable to have clearance lights mounted at either the front or the rear of the body of the vehicle, then the said required clearance lights may be carried at the ends of a bar of pipe securely attached to the top or the rear of the cab of the vehicle in such a manner that the extreme width of the truck and/or load may be plainly indicated from the front and the rear of the vehicle.
• (c) All public service and commercial vehicles, including pole trailers, well casing or other materials which extend beyond the rear of the vehicle, be provided with flexible extension cords for the purpose of displaying red clearance lights at the extreme rear and extreme width of such loads.
• (d) In the case of semi-trailers or any combination of vehicles which exceed 10.5m in length, then in addition to the above requirements, a red lateral light shall be located as near the centre as possible on the left side of the vehicle and in such a position as to make it clearly visible from any vehicle approaching from the left. Bylaw No. 5000 (Consolidated Version) Schedule "J"
• (e) All clearance lights shall be controlled from a circuit that is separate from the head and tail light circuit of the vehicle.
• (f) All clearance lights shall be such and so placed that they shall be visible from a distance of at least 150m under normal atmospheric conditions.
• (g) During the period between sunset and sunrise or at any time when the atmospheric conditions are such that objects on the public highways are not plainly visible at a distance of 100m, the said clearance shall be a light.