Section 86-A. Regulation of installation of portable electrical equipment used for amusement devices

The governing body  of  any  city,  town  or  village  in  this  state,  may  adopt ordinances or local laws making it
  unlawful for any person, firm or corporation to install or cause  to  be
  installed,  or  to  alter,  repair  or  maintain any portable electrical
  equipment connected to fifty or more volts of  electrical  power,  which
  equipment  is  intended  for  use  by the public, either as an amusement
  device or a vending machine, unless such equipment shall be so installed
  that all exposed metal  or  other  conducting  surfaces  and  parts  are
  effectively  grounded  in  a  manner  approved  by  existing  electrical
  installation codes. Provisions shall be made in such ordinances or local
  laws for punishment of violations thereof.