What does SLC stand for in alarm systems?

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Pass the California Alarm Company Operator Exam. Study with flashcards and multiple choice questions, each with hints and explanations. Prepare for your exam with confidence!

Multiple Choice

What does SLC stand for in alarm systems?

Explanation:
Signaling Line Circuit is the two‑wire path that runs from the alarm control panel to initiating devices like door/window contacts and other sensors. This circuit supplies power to the devices and carries the signaling data back to the panel. The line is supervised, typically with an end-of-line resistor, so the panel can detect opens, shorts, or tamper on the circuit. This is the standard term you’ll see in alarm system diagrams and manuals, which is why it’s the correct choice. The other phrases aren’t recognized terms for this wiring path in typical alarm language.

Signaling Line Circuit is the two‑wire path that runs from the alarm control panel to initiating devices like door/window contacts and other sensors. This circuit supplies power to the devices and carries the signaling data back to the panel. The line is supervised, typically with an end-of-line resistor, so the panel can detect opens, shorts, or tamper on the circuit. This is the standard term you’ll see in alarm system diagrams and manuals, which is why it’s the correct choice. The other phrases aren’t recognized terms for this wiring path in typical alarm language.

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