Which of the following are the code requirements for fire ratings in mechanical/electrical spaces? Select all that apply.
A) Chiller rooms do not need fire ratings unless the refrigerant is flammable.
B) A 1-hour room is needed if there is a dry type transformer rating higher than 112-1/2 kVA.
C) All gas fired boiler rooms need to be fire rated.
D) Electrical rooms with switchboards and panels do not need rated walls.
A) Chiller rooms do not need fire ratings unless the refrigerant is flammable.
B) A 1-hour room is needed if there is a dry type transformer rating higher than 112-1/2 kVA.
D) Electrical rooms with switchboards and panels do not need rated walls.
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