Firefighting Measures for Tesla Energy Products
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Questions and Answers

What is the primary reason a Tesla Energy Product does not catch fire easily?

  • The product has undergone rigorous full-scale fire testing.
  • The product is designed to prevent single cell thermal runaway. (correct)
  • The battery unit has a fire-resistant enclosure.
  • The battery unit is not prone to external hazards.

    • What happens before a battery thermal runaway fire in a Tesla Energy Product?

  • Smoke emanates from the product. (correct)
  • The unit suddenly shuts down.
  • The enclosure door opens automatically.
  • An audible warning is triggered.

    • What should you do first if you observe smoke or fire emanating from a Tesla Energy Product?

  • Shut off the unit/system. (correct)
  • Call the local fire department.
  • Evacuate the area.
  • Notify Tesla immediately.

    • Why should you not approach a Powerpack unit from the front (door-side) during an incident response?

    <p>Fire may propagate to neighboring Powerpacks.</p> Signup and view all the answers

    What is the purpose of shutting off the unit/system in the event of a fire or smoke?

    <p>To contain the hazardous condition.</p> Signup and view all the answers

    What type of testing has validated the performance of Tesla Energy Products in the event of a fire?

    <p>Rigorous full-scale fire testing.</p> Signup and view all the answers

    What happens to a Tesla Energy Product during a fire, according to testing results?

    <p>It consumes itself slowly without explosive bursts.</p> Signup and view all the answers

    Who should respond to a Tesla product fire or hazardous event?

    <p>Trained professionals and Tesla experts.</p> Signup and view all the answers

    What should you do if it is safe to access the Powerwall(s)?

    <p>Turn off each Powerwall using its on/off switch</p> Signup and view all the answers

    Where is the Powerwall 2 switch located?

    <p>In the same location as the Powerwall+ switch</p> Signup and view all the answers

    What should you do after turning off each Powerwall?

    <p>Turn off the AC breaker for each Powerwall</p> Signup and view all the answers

    What should you do if there is a Backup Gateway installed?

    <p>Turn off the Backup Gateway breaker</p> Signup and view all the answers

    What is NOT a means of shutting down the Powerwall system in an emergency?

    <p>Pulling the utility meter or Backup Switch from the meter socket</p> Signup and view all the answers

    If you cannot access the Powerwall switches and/or breakers, what should you do?

    <p>Loosen the three captive screws on the Backup Switch conduit hub</p> Signup and view all the answers

    What is a potential hazard when responding to a Tesla Powerwall fire?

    <p>Electrical shock from the de-energized battery</p> Signup and view all the answers

    What should firefighters wear when responding to a Tesla Powerwall fire?

    <p>Standard structural firefighting gear with SCBA</p> Signup and view all the answers

    What should be done if a Powerwall is actively on fire?

    <p>Use a wide stream fog nozzle to prevent extension to any attached structure</p> Signup and view all the answers

    What should be done after the fire is extinguished?

    <p>Monitor the temperature of the unit while cooling as needed</p> Signup and view all the answers

    What should be done if there is a structure fire with a Powerwall not affected by the fire?

    <p>Treat it as a standard structure fire and ignore the Powerwall</p> Signup and view all the answers

    What should be done if smoke or suspicious odor is emanating from a Powerwall?

    <p>Shut off the unit/system and evacuate the area</p> Signup and view all the answers

    What should be done to shut down the Powerwall in an emergency?

    <p>Turn off the AC breaker for each inverter and engage the E-Stop button</p> Signup and view all the answers

    What is a potential hazard when responding to a Powerwall fire in a flooded area?

    <p>Electrical shock from the submerged wiring</p> Signup and view all the answers

    What should be done if the fire is in close proximity to the Powerwall during a structure fire?

    <p>Monitor the temperature of the Powerwall during overhaul</p> Signup and view all the answers

    Why should firefighters contact Tesla during a Powerwall emergency?

    <p>To request guidance on responding to the emergency</p> Signup and view all the answers

    What should you do when responding to a Megapack fire event?

    <p>Maintain a safe distance and allow the battery to burn itself out</p> Signup and view all the answers

    What happens if you apply water directly to the burning Megapack enclosure?

    <p>The fire will be delayed, but not stopped</p> Signup and view all the answers

    Why is water considered the preferred agent for suppressing lithium-ion battery fires?

    <p>It has superior cooling capacity and is easy to transport</p> Signup and view all the answers

    What can happen if a lithium-ion battery fire has been seemingly extinguished?

    <p>The fire will flare up again due to the exothermic reaction of constituent materials</p> Signup and view all the answers

    How should firefighters utilize water when fighting a Tesla Energy Product fire?

    <p>In a fog pattern to protect neighboring units or exposures</p> Signup and view all the answers

    What type of suppressant should not be used on lithium-ion battery fires?

    <p>Metal fire suppressants such as LITH-X</p> Signup and view all the answers

    What should be used to actively measure the temperature of the unit after the fire has been extinguished?

    <p>Thermal imaging camera</p> Signup and view all the answers

    Why should firefighters wear self-contained breathing apparatus (SCBA) when responding to a lithium-ion battery fire?

    <p>To protect themselves from potential hazardous organic vapors</p> Signup and view all the answers

    How long can a lithium-ion battery fire continue to burn?

    <p>Several hours</p> Signup and view all the answers

    What happens if electrolysis of water occurs during a lithium-ion battery fire?

    <p>The flammable gas mixture will be contributed to</p> Signup and view all the answers

    Study Notes

    Firefighting Measures

    • In the event of a Tesla product fire or hazardous event, contact Tesla immediately for technical guidance.
    • Response should only be performed by trained professionals.

    Responding to a Venting Tesla Energy Product

    • Smoke emanating from a Tesla Energy Product can be an indication of an abnormal and hazardous condition.
    • Battery thermal runaway fires are preceded by a period of smoke.
    • If fire or smoke is observed emanating from a Tesla Energy Product, perform the following:
      • If possible, shut off the unit/system.
      • Evacuate the area.
      • Notify appropriately trained first responders, the local fire department, and any appointed subject matter expert (SME) if available.

    Defensive Firefighting

    • Tesla's recommendation is to fight a Tesla Energy Product fire defensively.
    • The fire crew should maintain a safe distance and allow the battery to burn itself out.
    • Fire crews should utilize a fog pattern to protect neighboring units or exposures or control the path of smoke.

    Firefighter PPE

    • Firefighters should wear self-contained breathing apparatus (SCBA) and fire protective turnout gear.
    • Cells or batteries may flame or leak potentially hazardous organic vapors if exposed to excessive heat, fire, or over-voltage conditions.

    Responding to a Powerwall Emergency

    • Smoke or suspicious odor emanating from a Powerwall can be an indication of an abnormal and hazardous condition.
    • If fire, smoke, or suspicious odor is observed emanating from the product at any time, perform the following:
      • If possible, shut off the unit/system.
      • Evacuate the area of all non-emergency personnel.
      • If not already done, contact Tesla for assistance.
      • If a Powerwall is actively on fire, use a wide stream fog nozzle to prevent extension to any attached structure and for cooling the casing of the battery.

    Shutting Down in an Emergency

    • WARNING: Shutting off power to the product does not de-energize the battery, and a shock hazard may still be present.
    • To shut the product down in an emergency, perform the appropriate steps below and then contact Tesla.
    • If safe to access switches and breakers, follow the steps:
      • Turn off the AC breaker for each inverter.
      • If an E-Stop button or external shutdown switch is present, engage it.
      • If it is safe to access the Powerwall(s), turn off each Powerwall using its on/off switch.
      • Turn off the AC breaker for each Powerwall.
      • If there is a Backup Gateway installed, turn off the Backup Gateway breaker.
      • If the emergency affects the rest of the site, turn off the entire site by opening the main service disconnect(s).

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    Description

    This quiz covers the necessary measures to respond to a fire or hazardous event related to Tesla Energy Products, including precautions and response protocols.

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