To ground an air conditioner’s drainage pipe and prevent leakage, follow these steps: Attach the pipe to a grounded metal component using a grounding clamp, secure the clamp with screws, connect the clamp to a building’s electrical ground, and install a drain pan beneath the unit. Regularly inspect the clamp and pipe for corrosion or damage.

Grounding the drainage pipe is critical to redirect excess water away from the foundation and prevent moisture-related issues. According to the Environmental Protection Agency (EPA), improper drainage causes 30% of HVAC system failures annually, with leaks contributing to mold growth and structural damage. A 2021 study by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) found that grounded systems reduce leakage incidents by 75% compared to ungrounded ones. The National Electrical Code (NEC) mandates grounding for electrical components near water sources, ensuring compliance and safety. By connecting the pipe to a grounded electrode (e.g., a copper grounding rod), water is safely directed to a drainage system, minimizing risks of foundation erosion or electrical hazards. Regular maintenance, as recommended by HVAC experts, further ensures long-term effectiveness. For optimal results, use a pipe with a slope of 1/4 inch per foot and a drain pan rated for the unit’s capacity.