In initial verification, what does a polarity check confirm?

• A. Confirm correct live, neutral, and earth connections to outlets and accessories.
• B. Check only the earth continuity.
• C. Measure insulation in all cables only.
• D. Verify color coding of wires is decorative.

Answer: (A)

Polarity check is about making sure the wiring is connected to the correct terminals at outlets and accessories. It confirms that the live conductor goes to the live terminal, the neutral conductor goes to the neutral terminal, and the earth conductor is properly connected. This ensures the pathway of power is correct and that protective earth is available in fault conditions, reducing shock risk and unsafe energization of exposed parts.

It's not just about earth continuity, nor does it assess insulation or rely on decorative color coding. Those other checks serve different purposes in the verification process, while polarity specifically verifies the correct L and N connections and proper earth presence.