Standard Science Primary 5 Systems

Why is the handle of an electrician's screwdriver covered in plastic?

A To prevent electric current from flowing into the electrician's hand.
B To make the screwdriver look more attractive.
C To prevent the screwdriver from rusting.
D To make the screwdriver lighter and easier to hold.
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Worked Solution

Step 1: Electricians work with live wires carrying dangerous amounts of electric current. Step 2: Plastic is an electrical insulator, meaning it does not allow current to pass through it. Step 3: The plastic handle protects the user from electric shocks.

Correct answer: To prevent electric current from flowing into the electrician's hand.

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