Hamilton By-law 23-162, s. 9(4) — Property Standards By-law

No person shall cause a Light Nuisance within the City without limiting the generality of the foregoing:

• (a) The use of laser source light, signal beacons, flood lights, spot lights, flashing lights or any other similar high intensity Luminaire that projects light onto adjacent private property is prohibited,

notwithstanding the exemptions set out in subsections 9(5) to 9(11), below.

• (b) The use of strobe, twinkling or chasing lights for private purposes or for advertising or entertainment purposes on private property is prohibited, notwithstanding the exemptions set out in subsections 9(5) to 9(11), below.
• (c) No Direct Lighting or Indirect Lighting shall be used so that the unusual quantity or type of light creates a Glare or Light Trespass upon the land of others so as to be or to cause a Nuisance to the public generally or to others residing or carrying on a business or trade in the vicinity. Temporary Exemptions