The following are exempted from the provisions of this subchapter:
(A) Sound emitted from sirens of authorized emergency vehicles;
(B) Lawn mowers, garden tractors, and similar home power tools when properly muffled;
(C) Burglar alarms on light-motor vehicles of the electronic signaling type which transmit an audible signal to a receiver which can be carried by the owner or operator of the vehicle; and
(D) Celebrations on Halloween and legal holidays and celebrations in connection with duly authorized parades.
('86 Code, § 20-125) (Ord. 90-G-06, passed 7-30-90)