Rubber gloves and sleeves are the best protection against electrical hazards due to their excellent insulation properties. Other materials like plastic, leather, and cotton do not provide sufficient protection from electric shocks. Therefore, option C, rubber gloves and sleeves, is the correct choice.
;
Rubber gloves and sleeves are the best choice for hand and arm protection against electrical hazards due to their excellent insulating properties. Other materials like plastic, leather, and cotton do not offer the same level of safety. It's important to follow safety regulations to prevent electrical shocks. ;