What does the cryptic crossword clue "Blows a fuse as resistance fades (5)" mean?

The wordplay uses a charade (building blocks). R (synonym="R") + AGES (synonym="AGES") = RAGES The answer is RAGES.

Blows a fuse as resistance fades (5)

Guardian Cryptic #29322 | 22 Down | 2024-03-05 flower