20. Four electricians are discussing wiring under raised floors in information technology equipment rooms. Electrician A says that wiring under the raised floor requires fire-resistant walls, floors, and ceilings between other occupancies. Electrician B says that wiring under the raised floor requires fire resistant halfway up the walls and floors between other occupancies. Electrician C says that the room must employ a disconnecting means that removes half of the power to all equipment in the room. Electrician D says that a disconnecting means isn't necessary for the room. Which of the following statements is correct? A. Electrician A is correct. B. Electrician D is correct. C. Electrician B is correct. D. Electrician C is correct
20. Four electricians are discussing wiring under raised floors in information technology equipment rooms.
Electrician A says that wiring under the raised floor requires fire-resistant walls, floors, and ceilings between
other occupancies. Electrician B says that wiring under the raised floor requires fire resistant halfway up the
walls and floors between other occupancies. Electrician C says that the room must employ a disconnecting
means that removes half of the power to all equipment in the room. Electrician D says that a disconnecting
means isn't necessary for the room. Which of the following statements is correct?
A. Electrician A is correct.
B. Electrician D is correct.
C. Electrician B is correct.
D. Electrician C is correct.
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