Definitely not a way to reduce light pollution

Don’t Mess with Electrical Equipment
A 20-year-old man was electrocuted in California when he broke into the base of
a streetlight and attempted to sever a ¾-inch electrical wire carrying 4,000
volts. The young man had wanted to darken the street to help his 17-year-old
sister get a better view of the Perseid meteor shower. (Source: Long Beach
Press-Telegram

http://www.midlandpower.com/Electric.../case_studies/

FWIW
Sofjan Mustopoh