When trying to put out an electrical fire, you should: Question When trying to put out an electrical fire, you should: Answers Use water. Use a B:C extinguisher. Use an X extinguisher. Explanation B:C fire extinguishers are designed to work on electrical fires and burning liquids. Don't pour water on an electrical fire. This questions appears in the following tests: Arizona Class A Knowledge Test Arizona Class B Knowledge Test Arizona Double California Class B Knowledge Test Hawaii Class B Knowledge Test Idaho Double Iowa Double Louisiana Class B Knowledge Test Maine Class A Knowledge Test Maryland Class A Knowledge Test Minnesota Passenger North Carolina Passenger Ohio Tank Oregon Class B Knowledge Test Rhode Island Tank Vermont Class B Knowledge Test Vermont Double Vermont Tank Washington Class B Knowledge Test Washington Double Washington Passenger