Electrical protective gloves should be tested every 12 months to ensure their safety and effectiveness. Regular testing helps identify any damages that may compromise their protective qualities. Therefore, the correct choice is 'C. Every 12 months.' ;
Electrical protective gloves must be tested every 12 months to ensure their safety and effectiveness. This periodic testing identifies any damage that could compromise protection against electrical hazards. Therefore, the correct answer is 'C. Every 12 months.'
;