How long are NHL intermissions?

Answer:
They usually put 15+ minutes up on the clock, but from the rulebook: 77.2 : Play shall be resumed promptly following each intermission upon the expiration of seventeen (17) minutes or a length of time designated by the League from the completion of play in the preceding period.
First answer by ID1614124773. Last edit by Woodrow1972. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 144 [recommend question].