How should electrical work near water or moisture be conducted safely?

• A. Work near water to check voltage by feel
• B. Use metal boots for grounding
• C. Avoid such work if possible; if necessary, use GFCI protection, dry surroundings, dry hands, and nonconductive mats; ensure proper footwear
• D. Work with wet hands

Answer: (C)

When working near water or in moisture, the main idea is to remove voltage danger from the environment and break any potential path for electricity through your body. Water and damp conditions dramatically increase conductivity, so the safest approach is to avoid energizing tasks in wet areas whenever possible. If you must proceed, rely on protective measures that limit shock risk: use circuits with GFCI protection so any leakage current trips quickly, keep the work area dry, dry your hands, and stand on nonconductive mats. Wear footwear with nonconductive soles to reduce the chance that current travels through your body to the ground. These steps together create multiple barriers against shock and failure modes that moisture would otherwise enable.

Choosing to work near water while checking voltage by feel is dangerous because you can’t reliably sense or resist the shock, and any contact with energized metal or wet surfaces can be fatal. Wearing metal boots would not grounding you safely; metal can conduct electricity and create a shocking path rather than preventing it. Working with wet hands directly increases the likelihood of a current passing through your body.