tripping relay

14 LETTERS · STARTS WITH T

tripping relay is a valid 14-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1R1I1P3P3I1N1G2R1E1L1A1Y4

1 + 1 + 1 + 3 + 3 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 4 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does tripping relay mean?