What is electrical isolation and why is it important for safety in E/I systems?

What is electrical isolation and why is it important for safety in E/I systems?

• A. The separation of electrical circuits to prevent fault currents, reduce noise, and protect personnel and equipment.
• B. A process to connect all grounds together.
• C. A method to increase signal amplitude.
• D. A technique to reduce power factor.

Answer: (A)