Most swimmers never consider electricity when they think about pool safety — but the U.S. Consumer Product Safety Commission (CPSC) warns that electric shock drowning is a real and deadly hazard in and around pools, spas, and hot tubs. Faulty wiring, aging electrical equipment, and improper grounding near pools can energize the water with alternating current, creating an invisible field of electricity that causes swimmers to lose muscle control and drown. This hazard can be present with no visible sparking, no smell, and no warning.
How Electric Shock Drowning Happens
When alternating current (AC) electricity enters pool water through a fault in the pool’s electrical system — including underwater lights, pumps, filter motors, or nearby electrical outlets — it creates a voltage gradient in the water. A swimmer who enters this field experiences electrical current flowing through their body, causing paralysis of the muscles used for swimming. The swimmer cannot call for help, wave their arms, or keep themselves afloat. They drown while appearing to simply struggle — and others who enter the water to help can be electrocuted themselves.
CPSC data shows deaths and serious injuries from electric shock in and around pools, spas, and hot tubs occur every year. Most incidents involve underwater lighting, faulty wiring in pump and filter equipment, and the use of electrical appliances near pool water.
Pool Electrical Safety Tips
- Install ground fault circuit interrupters (GFCIs) on all electrical outlets within 20 feet of a pool, spa, or hot tub. Test them monthly.
- Have all pool lighting, pumps, and electrical equipment inspected by a licensed electrician annually.
- Keep all portable electrical devices — including speakers, fans, phone chargers, and appliances — away from the pool area.
- Never use extension cords near a pool.
- If anyone in the water appears to be struggling without an obvious cause, do not jump in to help — cut power to the pool immediately and call 911.
- Never swim near marinas, docks, or boat ramps where stray electrical current is particularly common.
To report a dangerous product or a product-related injury, visit SaferProducts.gov or call CPSC’s Hotline at 800-638-2772.
