ETEA Testing Service Fire Rescuer (FR) Rescue 1122 Which of the fire extinguisher must not be used in case of electric base fire? November 6, 2022 Admin No Comments A: Foam Extinguisher B: Dry Chemical Extinguisher C: Halen Extinguisher D: Carbon Dioxide Extinguisher Correct Answer: a Short Details: DCP stands for Dry Chemical Powder. View More Details >>