高圧 こうあつ電流 でんりゅうじゃなかったです
kōatsudenryūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 高圧電流

1. Wasn't high-voltage current.; Wasn't a high-voltage current.

Past/Perfective
Negative
Polite
Casual Register