LibraryHow Things Work at HomeOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Everyday LifeOne small ahaHome system

This protective device opens an electrical circuit when the current becomes unsafe.

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Everyday LifeOne small aha
Your new ahaCircuit breaker

Circuit breaker: Interrupts an overloaded circuit. Source: Circuit breaker

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More from How Things Work at Home

A few more worth knowing.

  1. 15This electrical safety component is designed to melt when current exceeds its rating.RECALL
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    An electrical fuse contains a part designed to melt when current exceeds its safe rating.

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  2. 16This transport system moves a passenger car through a vertical shaft using guides, brakes, and hoisting equipment.RECALL
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    An elevator moves a car through a shaft using hoisting equipment, guides, brakes, and control systems.

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  3. 17Moving this fastener's slider joins or separates two interlocking rows of teeth.RECALL
    Zipper

    A zipper’s slider brings two rows of teeth into or out of interlocking alignment.

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