Health effects include sunburn, skin cancer, cataracts and other effects. Move workers away from sources of radiation. Wear glasses with UVR filter lenses. Cover skin or use sunscreen when working outdoors. The health effects of EMFs are not fully understood.
Prudent avoidance means avoiding exposure because the risks are unknown.
Use proper electrical outlets and do not overload extension cords. Keep electrical cords away from water. Ground electrical equipment. Keep a safe distance from overhead power lines. Locate underground utility wires before digging.