If the breaker switches were to break down under a peak load, Bell would be utterly lost.

The breaker switch in my head kept them from hypnotizing me.

A mutual-proximity breaker switch is in two parts.

A 'Raum in the back closed a large breaker switch, and the launcher chugged rhythmically, each blast hurling impact-fused charges of Telex to either side.

The breaker switch in my head!

I had a micro-sized mutual-proximity breaker switch embedded under my scalp.

Tape the breaker switch in the off position, or if there are fuses, carry them with you to prevent someone's restoring power while you are working.

He'd flipped the breaker switch and the lights were on.

Is there a way to tell which breaker switches are on the same phase then?

Thinking he was turning the mixer off, he activated the breaker switch and energized the mixer.