In the case of fire, why do firemen shut off the main electrical board? Explain your answer briefly.
Understand the Problem
The question is asking for an explanation of why firefighters would shut off the main electrical board in the event of a fire. This typically involves safety measures to prevent electrical hazards and to ensure that the operation of firefighting equipment is not compromised by electrical supplies.
Answer
Firefighters shut off electricity to prevent electric shocks when water is used.
Firefighters shut off the main electrical board to prevent electrical current from being conducted through the water when they spray. This helps to avoid electric shocks and further danger to the firemen and others during firefighting.
Answer for screen readers
Firefighters shut off the main electrical board to prevent electrical current from being conducted through the water when they spray. This helps to avoid electric shocks and further danger to the firemen and others during firefighting.
More Information
Water conducts electricity, so spraying on a fire without cutting power can lead to electrocution risks.
Tips
A common mistake is not realizing that water conducts electricity, potentially causing electric shock if the power is not shut off.
Sources
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