How can you verify that a drill press is properly grounded and safe for use?

How can you verify that a drill press is properly grounded and safe for use?

• A. Check the power cord and plug, ensure ground pin is intact, verify guard and table are secure, test with light load, unplug before adjustments
• B. Inspect the drill press for rust on the base, lubricate the spindle with oil, wear gloves at all times, and operate at maximum speed
• C. Verify the on/off switch is functional, but ignore grounding, and never unplug during adjustments
• D. Only rely on the operator's experience; grounding is optional

Answer: (A)