CFAA Fire Alarm Technician · Question
Which type of circuit wiring requires the use of separate raceways for its outgoing and return conductors to satisfy DCL (Data Communication Link) survivability?
Class A (Data Communication Link) requires that the outgoing and return conductors be routed in separate raceways or otherwise protected to ensure circuit integ
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Question: Which type of circuit wiring requires the use of separate raceways for its outgoing and return conductors to satisfy DCL (Data Communication Link) survivability?
Answer options:
- Category 5e cable over 100m
- Class B wiring in PVC ✅ Class A (DCL) circuits
- Non-power limited circuits
Correct answer: Class A (DCL) circuits
Explanation: Class A (Data Communication Link) requires that the outgoing and return conductors be routed in separate raceways or otherwise protected to ensure circuit integrity.
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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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