Signal and Timing Devices
IIHF Rule Book
01
4.1SIGNAL DEVICES Each rink must be provided with a suitable sound device that will sound automatically at the conclusion of each period of play. Should the sound device fail to sound automatically when time expires, the determining factor as to whether the period has ended shall be the game clock. » For more information refer to IIHF Technology Codes & Regulations.
4.2TIMING DEVICES Each rink shall be provided with some form of electronic game clock for the purpose of keeping the spectators, Players, team personnel and Game officials accurately informed as to all time elements at all stages of the game including the time remaining to be played in any period, and the time remaining to be served by penalized Players on each team. Time recording for both game time and penalty time shall show time remaining to be played or served. The game time clock shall measure the time remaining in tenths (1/10) of a second during the last minute of each period. The timing device shall be operated by the official timekeeper as described in Rule 34. » For more information refer to IIHF Technology Codes & Regulations SECTION 02 Teams 02 TEAMS