Answers:

1. Parallel circuits are used in homes because loads can be operated on their own. For example, if a series circuit was used, the lights would be dimmer with the addition of more lights. A parallel circuit avoids that issue.

2. Insulation keeps wires and other conductors from touching, which prevents electrical short circuits. Insulation prevents live wires from touching people and animals, thus protecting them from electrical shock.

Explanation:

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