§ 96.18 KEYS OF SIGNAL BOXES.
   It shall be unlawful for any person to make or cause to be made, or to use or have in his possession any key, impression or duplicate of any [such key to any] signal box of the fire alarm telegraph system without the written permission of the Fire Chief.
('88 Code, Title IX, Ch. 113, § 9.188) Penalty, see § 96.99