CFAA Fire Alarm Technician · Question
Which cable jacket rating is mandatory for fire alarm wiring installed within a plenum space?
FT6 is the plenum-rated cable standard required for installation in environmental air handling spaces (plenums).
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Question: Which cable jacket rating is mandatory for fire alarm wiring installed within a plenum space?
Answer options:
- FT1
- FT2
- FT4 ✅ FT6
Correct answer: FT6
Explanation: FT6 is the plenum-rated cable standard required for installation in environmental air handling spaces (plenums).
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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