a. Protection of. The fire alarm telegraph system shall be operated or used only by the commissioner, or the officers and employees of the department charged with its operation or maintenance or authorized to use it for instruction or drill. Any person, however, may freely operate the same to communicate actual alarms of fire. It shall be unlawful for any person to experiment or tamper with such system for any purpose whatever, or to have or possess any key thereof, without the authority of the commissioner. It shall be unlawful for any person to post, paint, impress, or in any way affix to any pole connected with the fire alarm telegraph, or any box, wire or other appliance connected therewith, any placard, sign, broadside, notice, or announcement of any kind; or to cut, mutilate, alter, mar, deface, cover, obstruct or interfere with the same in any manner whatsoever; or to paint, or cause to be painted, the poles of any other telegraph, or any other poles on the lines thereof, in a color or colors similar to those of poles upon which are fire alarm boxes, or in imitation thereof; or to consent, allow, or be privy to any of such things done for him or her or upon his or her behalf.
b. Kite-flying. It shall be unlawful for any kite to be flown, raised, or put in any street adjacent to the lines of such telegraph, or to be allowed to become entangled with the wires or apparatus thereof.