elektrikatkestus tähendus null.

blackout [blackouts]▼◼◼◼noun
[UK: ˈblæk.aʊt] [US: ˈblæˌk.ɑːwt]

failure [failures]▼◼◼◻noun
[UK: ˈfeɪ.ljə(r)] [US: ˈfeɪ.ljər]