英和和英

a live wire

electric current

The current is on―turned on.

an energized electric conductor

to turn on the current―make contact

amperage

to send an electrical current

The current is on.

electrodynamics

to supply electricity

of an electrical current to flow

the electricity in the atmosphere

an induced current

the arc current

The current is off.

silent discharge

a type of electric discharge known as an intermittent discharge

an electric current

break an electric circuit

to turn on an electric current―switch on an electric current―close an electric circuit

the implosion of a light bulb

drained of electric charge

to turn off the power

discharge electricity

a direct electrical current

After turning on the power control...

The current is off―cut off.

a high-tension current

an electrical wire that is not covered

to switch off the electric current