According to the Federal Police report published in early April, the fire that swept
through the National Museum in Rio de Janeiro last September started in the auditorium’s
air-conditioning system.

The report indicated that one of the main failures was that there was only one circuit breaker for several air-conditioning units rather than one for each unit. A circuit breaker protects electrical circuits so they do not get overloaded. They are important because electrical overloads can cause equipment to stop functioning or even start fires.

The report also pointed to the National Museum’s fire prevention equipment not including fire doors or sprinklers, which spray water when high temperatures are detected. As of the close of this issue, the museum had not issued a comment on the report.

Find out more about the fire in JOCA 119.

QUESTIONS

1. Why was the circuit breaker important in the National Museum fire?
a) Because it was fire prevention equipment that the museum did not have
b) Because circuit breakers are highly flammable
c) Because it was broken
d) Because there was only one circuit breaker for many air-conditioning units

2. What do you think museums and other public places should do to prevent fires?

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